proxy.c 57.3 KB
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/*
linphone
Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
*/
/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
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#include "linphonecore.h"
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#include "sipsetup.h"
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#include "lpconfig.h"
#include "private.h"
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#include "mediastreamer2/mediastream.h"
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#include <ctype.h>

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/*store current config related to server location*/
static void linphone_proxy_config_store_server_config(LinphoneProxyConfig* obj) {
	if (obj->saved_identity) linphone_address_destroy(obj->saved_identity);
	if (obj->reg_identity)
		obj->saved_identity = linphone_address_new(obj->reg_identity);
	else
		obj->saved_identity = NULL;

	if (obj->saved_proxy) linphone_address_destroy(obj->saved_proxy);
	if (obj->reg_proxy)
		obj->saved_proxy = linphone_address_new(obj->reg_proxy);
	else
		obj->saved_proxy = NULL;
}

bool_t linphone_proxy_config_address_equal(const LinphoneAddress *a, const LinphoneAddress *b) {
	if (a == NULL && b == NULL)
		return TRUE;
	else if (!a || !b)
		return FALSE;

	if (linphone_address_weak_equal(a,b)) {
		/*also check both transport and uri */
		if (!(linphone_address_is_secure(a) ^ linphone_address_is_secure(b))) {
			return linphone_address_get_transport(a) == linphone_address_get_transport(b);
		} else
			return FALSE; /*secure flag not equals*/
	} else
		return FALSE; /*either username, domain or port ar not equals*/

}

bool_t linphone_proxy_config_is_server_config_changed(const LinphoneProxyConfig* obj) {
	LinphoneAddress *current_identity=obj->reg_identity?linphone_address_new(obj->reg_identity):NULL;
	LinphoneAddress *current_proxy=obj->reg_proxy?linphone_address_new(obj->reg_proxy):NULL;

	if (!linphone_proxy_config_address_equal(obj->saved_identity,current_identity))
		return TRUE;

	if (!linphone_proxy_config_address_equal(obj->saved_proxy,current_proxy))
		return TRUE;

	return FALSE;
}
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void linphone_proxy_config_write_all_to_config_file(LinphoneCore *lc){
	MSList *elem;
	int i;
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	if (!linphone_core_ready(lc)) return;
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	for(elem=lc->sip_conf.proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
		LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
		linphone_proxy_config_write_to_config_file(lc->config,cfg,i);
	}
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	/*to ensure removed configs are erased:*/
	linphone_proxy_config_write_to_config_file(lc->config,NULL,i);
	lp_config_set_int(lc->config,"sip","default_proxy",linphone_core_get_default_proxy(lc,NULL));
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}
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static void linphone_proxy_config_init(LinphoneCore* lc, LinphoneProxyConfig *obj) {
	const char *dial_prefix = lc ? lp_config_get_default_string(lc->config,"proxy","dial_prefix",NULL) : NULL;
	const char *identity = lc ? lp_config_get_default_string(lc->config, "proxy", "reg_identity", NULL) : NULL;
	const char *proxy = lc ? lp_config_get_default_string(lc->config, "proxy", "reg_proxy", NULL) : NULL;
	const char *route = lc ? lp_config_get_default_string(lc->config, "proxy", "reg_route", NULL) : NULL;
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	const char *statistics_collector = lc ? lp_config_get_default_string(lc->config, "proxy", "statistics_collector", NULL) : NULL;
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	const char *contact_params = lc ? lp_config_get_default_string(lc->config, "proxy", "contact_parameters", NULL) : NULL;
	const char *contact_uri_params = lc ? lp_config_get_default_string(lc->config, "proxy", "contact_uri_parameters", NULL) : NULL;
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	memset(obj, 0, sizeof(LinphoneProxyConfig));
	obj->magic = linphone_proxy_config_magic;
	obj->expires = lc ? lp_config_get_default_int(lc->config, "proxy", "reg_expires", 3600) : 3600;
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	obj->reg_sendregister = lc ? lp_config_get_default_int(lc->config, "proxy", "reg_sendregister", 0) : 0;
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	obj->dial_prefix = dial_prefix ? ms_strdup(dial_prefix) : NULL;
	obj->dial_escape_plus = lc ? lp_config_get_default_int(lc->config, "proxy", "dial_escape_plus", 0) : 0;
	obj->privacy = lc ? lp_config_get_default_int(lc->config, "proxy", "privacy", LinphonePrivacyDefault) : LinphonePrivacyDefault;
	obj->reg_identity = identity ? ms_strdup(identity) : NULL;
	obj->reg_proxy = proxy ? ms_strdup(proxy) : NULL;
	obj->reg_route = route ? ms_strdup(route) : NULL;
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	obj->statistics_collector = statistics_collector ? ms_strdup(statistics_collector) : NULL;
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	obj->send_statistics = lc ? lp_config_get_default_int(lc->config, "proxy", "send_statistics", 0) : 0;
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	obj->contact_params = contact_params ? ms_strdup(contact_params) : NULL;
	obj->contact_uri_params = contact_uri_params ? ms_strdup(contact_uri_params) : NULL;
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	obj->publish_expires=-1;
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}

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/**
 * @addtogroup proxies
 * @{
**/

/**
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 * @deprecated, use #linphone_core_create_proxy_config instead
 *Creates an empty proxy config.
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**/
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LinphoneProxyConfig *linphone_proxy_config_new() {
	return linphone_core_create_proxy_config(NULL);
}
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LinphoneProxyConfig * linphone_core_create_proxy_config(LinphoneCore *lc) {
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	LinphoneProxyConfig *obj=NULL;
	obj=ms_new(LinphoneProxyConfig,1);
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	linphone_proxy_config_init(lc,obj);
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	return obj;
}

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/**
 * Destroys a proxy config.
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 *
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 * @note: LinphoneProxyConfig that have been removed from LinphoneCore with
 * linphone_core_remove_proxy_config() must not be freed.
**/
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void linphone_proxy_config_destroy(LinphoneProxyConfig *obj){
	if (obj->reg_proxy!=NULL) ms_free(obj->reg_proxy);
	if (obj->reg_identity!=NULL) ms_free(obj->reg_identity);
	if (obj->reg_route!=NULL) ms_free(obj->reg_route);
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	if (obj->statistics_collector!=NULL) ms_free(obj->statistics_collector);
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	if (obj->ssctx!=NULL) sip_setup_context_free(obj->ssctx);
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	if (obj->realm!=NULL) ms_free(obj->realm);
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	if (obj->type!=NULL) ms_free(obj->type);
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	if (obj->dial_prefix!=NULL) ms_free(obj->dial_prefix);
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	if (obj->op) sal_op_release(obj->op);
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	if (obj->publish_op) sal_op_release(obj->publish_op);
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	if (obj->contact_params) ms_free(obj->contact_params);
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	if (obj->contact_uri_params) ms_free(obj->contact_uri_params);
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	if (obj->saved_proxy!=NULL) linphone_address_destroy(obj->saved_proxy);
	if (obj->saved_identity!=NULL) ms_free(obj->saved_identity);
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	ms_free(obj);
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}

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/**
 * Returns a boolean indicating that the user is sucessfully registered on the proxy.
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 * @deprecated Use linphone_proxy_config_get_state() instead.
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**/
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bool_t linphone_proxy_config_is_registered(const LinphoneProxyConfig *obj){
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	return obj->state == LinphoneRegistrationOk;
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}

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/**
 * Sets the proxy address
 *
 * Examples of valid sip proxy address are:
 * - IP address: sip:87.98.157.38
 * - IP address with port: sip:87.98.157.38:5062
 * - hostnames : sip:sip.example.net
**/
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int linphone_proxy_config_set_server_addr(LinphoneProxyConfig *obj, const char *server_addr){
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	LinphoneAddress *addr=NULL;
	char *modified=NULL;
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	if (obj->reg_proxy!=NULL) ms_free(obj->reg_proxy);
	obj->reg_proxy=NULL;
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	if (server_addr!=NULL && strlen(server_addr)>0){
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		if (strstr(server_addr,"sip:")==NULL && strstr(server_addr,"sips:")==NULL){
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			modified=ms_strdup_printf("sip:%s",server_addr);
			addr=linphone_address_new(modified);
			ms_free(modified);
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		}
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		if (addr==NULL)
			addr=linphone_address_new(server_addr);
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		if (addr){
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			obj->reg_proxy=linphone_address_as_string(addr);
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			linphone_address_destroy(addr);
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		}else{
			ms_warning("Could not parse %s",server_addr);
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			return -1;
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		}
	}
	return 0;
}

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/**
 * Sets the user identity as a SIP address.
 *
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 * This identity is normally formed with display name, username and domain, such
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 * as:
 * Alice <sip:alice@example.net>
 * The REGISTER messages will have from and to set to this identity.
 *
**/
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int linphone_proxy_config_set_identity(LinphoneProxyConfig *obj, const char *identity){
	LinphoneAddress *addr;
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	if (identity!=NULL && strlen(identity)>0){
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		addr=linphone_address_new(identity);
		if (!addr || linphone_address_get_username(addr)==NULL){
			ms_warning("Invalid sip identity: %s",identity);
			if (addr)
				linphone_address_destroy(addr);
			return -1;
		}else{
			if (obj->reg_identity!=NULL) {
				ms_free(obj->reg_identity);
				obj->reg_identity=NULL;
			}
			obj->reg_identity=ms_strdup(identity);
			if (obj->realm){
				ms_free(obj->realm);
			}
			obj->realm=ms_strdup(linphone_address_get_domain(addr));
			linphone_address_destroy(addr);
			return 0;
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		}
	}
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	return -1;
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}

const char *linphone_proxy_config_get_domain(const LinphoneProxyConfig *cfg){
	return cfg->realm;
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}

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/**
 * Sets a SIP route.
 * When a route is set, all outgoing calls will go to the route's destination if this proxy
 * is the default one (see linphone_core_set_default_proxy() ).
**/
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int linphone_proxy_config_set_route(LinphoneProxyConfig *obj, const char *route)
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{
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	if (obj->reg_route!=NULL){
		ms_free(obj->reg_route);
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		obj->reg_route=NULL;
	}
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	if (route!=NULL && route[0] !='\0'){
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		SalAddress *addr;
		char *tmp;
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		/*try to prepend 'sip:' */
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		if (strstr(route,"sip:")==NULL && strstr(route,"sips:")==NULL){
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			tmp=ms_strdup_printf("sip:%s",route);
		}else tmp=ms_strdup(route);
		addr=sal_address_new(tmp);
		if (addr!=NULL){
			sal_address_destroy(addr);
		}else{
			ms_free(tmp);
			tmp=NULL;
		}
		obj->reg_route=tmp;
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	}
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	return 0;
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}

bool_t linphone_proxy_config_check(LinphoneCore *lc, LinphoneProxyConfig *obj){
	if (obj->reg_proxy==NULL){
		if (lc->vtable.display_warning)
			lc->vtable.display_warning(lc,_("The sip proxy address you entered is invalid, it must start with \"sip:\""
						" followed by a hostname."));
		return FALSE;
	}
	if (obj->reg_identity==NULL){
		if (lc->vtable.display_warning)
			lc->vtable.display_warning(lc,_("The sip identity you entered is invalid.\nIt should look like "
					"sip:username@proxydomain, such as sip:alice@example.net"));
		return FALSE;
	}
	return TRUE;
}

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/**
 * Indicates whether a REGISTER request must be sent to the proxy.
**/
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void linphone_proxy_config_enableregister(LinphoneProxyConfig *obj, bool_t val){
	obj->reg_sendregister=val;
}

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/**
 * Sets the registration expiration time in seconds.
**/
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void linphone_proxy_config_set_expires(LinphoneProxyConfig *obj, int val){
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	if (val<0) val=600;
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	obj->expires=val;
}

void linphone_proxy_config_enable_publish(LinphoneProxyConfig *obj, bool_t val){
	obj->publish=val;
}
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/**
 * Starts editing a proxy configuration.
 *
 * Because proxy configuration must be consistent, applications MUST
 * call linphone_proxy_config_edit() before doing any attempts to modify
 * proxy configuration (such as identity, proxy address and so on).
 * Once the modifications are done, then the application must call
 * linphone_proxy_config_done() to commit the changes.
**/
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void linphone_proxy_config_edit(LinphoneProxyConfig *obj){
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	if (obj->publish && obj->publish_op){
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	        /*unpublish*/
	        sal_publish_presence(obj->publish_op,NULL,NULL,0,(SalPresenceModel *)NULL);
	        sal_op_release(obj->publish_op);
	        obj->publish_op=NULL;
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	}
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	/*store current config related to server location*/
	linphone_proxy_config_store_server_config(obj);

	/*stop refresher in any case*/
	if (obj->op) sal_op_stop_refreshing(obj->op);
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}

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void linphone_proxy_config_apply(LinphoneProxyConfig *obj,LinphoneCore *lc){
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	obj->lc=lc;
	linphone_proxy_config_done(obj);
}
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void linphone_proxy_config_stop_refreshing(LinphoneProxyConfig *obj){
	if (obj->publish_op){
		sal_op_release(obj->publish_op);
		obj->publish_op=NULL;
	}
	if (obj->op){
		sal_op_release(obj->op);
		obj->op=NULL;
	}
}

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LinphoneAddress *guess_contact_for_register(LinphoneProxyConfig *obj){
	LinphoneAddress *ret=NULL;
	LinphoneAddress *proxy=linphone_address_new(obj->reg_proxy);
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	const char *host;
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	if (proxy==NULL) return NULL;
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	host=linphone_address_get_domain(proxy);
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	if (host!=NULL){
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		int localport = -1;
		const char *localip = NULL;
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		LinphoneAddress *contact=linphone_address_new(obj->reg_identity);
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		linphone_address_clean(contact);
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		if (obj->contact_params) {
			// We want to add a list of contacts params to the linphone address
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			sal_address_set_params(contact,obj->contact_params);
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		}
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		if (obj->contact_uri_params){
			sal_address_set_uri_params(contact,obj->contact_uri_params);
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		}
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#ifdef BUILD_UPNP
		if (obj->lc->upnp != NULL && linphone_core_get_firewall_policy(obj->lc)==LinphonePolicyUseUpnp &&
			linphone_upnp_context_get_state(obj->lc->upnp) == LinphoneUpnpStateOk) {
			localip = linphone_upnp_context_get_external_ipaddress(obj->lc->upnp);
			localport = linphone_upnp_context_get_external_port(obj->lc->upnp);
		}
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#endif //BUILD_UPNP
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		linphone_address_set_port(contact,localport);
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		linphone_address_set_domain(contact,localip);
		linphone_address_set_display_name(contact,NULL);

		ret=contact;
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	}
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	linphone_address_destroy(proxy);
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	return ret;
}
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/**
 * unregister without moving the register_enable flag
 */
void _linphone_proxy_config_unregister(LinphoneProxyConfig *obj) {
	if (obj->state == LinphoneRegistrationOk) {
		sal_unregister(obj->op);
	}
}
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static void linphone_proxy_config_register(LinphoneProxyConfig *obj){
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	if (obj->reg_sendregister){
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		LinphoneAddress* proxy=linphone_address_new(obj->reg_proxy);
		char* proxy_string;
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		LinphoneAddress *contact;
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		proxy_string=linphone_address_as_string_uri_only(proxy);
		linphone_address_destroy(proxy);
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		if (obj->op)
			sal_op_release(obj->op);
		obj->op=sal_op_new(obj->lc->sal);
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		if ((contact=guess_contact_for_register(obj))) {
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			sal_op_set_contact_address(obj->op,contact);
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			linphone_address_destroy(contact);
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		}
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		sal_op_set_user_pointer(obj->op,obj);
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		if (sal_register(obj->op,proxy_string,obj->reg_identity,obj->expires)==0) {
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			linphone_proxy_config_set_state(obj,LinphoneRegistrationProgress,"Registration in progress");
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		} else {
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			linphone_proxy_config_set_state(obj,LinphoneRegistrationFailed,"Registration failed");
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		}
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		ms_free(proxy_string);
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	} else {
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		/* unregister if registered*/
		if (obj->state == LinphoneRegistrationProgress) {
			linphone_proxy_config_set_state(obj,LinphoneRegistrationCleared,"Registration cleared");
		}
		_linphone_proxy_config_unregister(obj);



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	}
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}

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/**
 * Refresh a proxy registration.
 * This is useful if for example you resuming from suspend, thus IP address may have changed.
**/
void linphone_proxy_config_refresh_register(LinphoneProxyConfig *obj){
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	if (obj->reg_sendregister && obj->op && obj->state!=LinphoneRegistrationProgress){
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		if (sal_register_refresh(obj->op,obj->expires) == 0) {
			linphone_proxy_config_set_state(obj,LinphoneRegistrationProgress, "Refresh registration");
		}
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	}
}

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/**
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 * Sets a dialing prefix to be automatically prepended when inviting a number with
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 * linphone_core_invite();
 * This dialing prefix shall usually be the country code of the country where the user is living.
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 *
**/
void linphone_proxy_config_set_dial_prefix(LinphoneProxyConfig *cfg, const char *prefix){
	if (cfg->dial_prefix!=NULL){
		ms_free(cfg->dial_prefix);
		cfg->dial_prefix=NULL;
	}
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	if (prefix && prefix[0]!='\0') cfg->dial_prefix=ms_strdup(prefix);
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}

/**
 * Returns dialing prefix.
 *
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 *
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**/
const char *linphone_proxy_config_get_dial_prefix(const LinphoneProxyConfig *cfg){
	return cfg->dial_prefix;
}

/**
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 * Sets whether liblinphone should replace "+" by international calling prefix in dialed numbers (passed to
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 * #linphone_core_invite ).
 *
**/
void linphone_proxy_config_set_dial_escape_plus(LinphoneProxyConfig *cfg, bool_t val){
	cfg->dial_escape_plus=val;
}

/**
 * Returns whether liblinphone should replace "+" by "00" in dialed numbers (passed to
 * #linphone_core_invite ).
 *
**/
bool_t linphone_proxy_config_get_dial_escape_plus(const LinphoneProxyConfig *cfg){
	return cfg->dial_escape_plus;
}
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void linphone_proxy_config_enable_statistics(LinphoneProxyConfig *cfg, bool_t val){
	cfg->send_statistics = val;
}

bool_t linphone_proxy_config_send_statistics_enabled(LinphoneProxyConfig *cfg){
	// ensure that collector address is set too!
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	return cfg->send_statistics && cfg->statistics_collector != NULL;
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}

void linphone_proxy_config_set_statistics_collector(LinphoneProxyConfig *cfg, const char *collector){
	if (collector!=NULL && strlen(collector)>0){
		LinphoneAddress *addr=linphone_address_new(collector);
		if (!addr || linphone_address_get_username(addr)==NULL){
			ms_warning("Invalid sip collector identity: %s",collector);
			if (addr)
				linphone_address_destroy(addr);
		} else {
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			if (cfg->statistics_collector != NULL)
				ms_free(cfg->statistics_collector);
			cfg->statistics_collector = ms_strdup(collector);
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			linphone_address_destroy(addr);
		}
	}
}

const char *linphone_proxy_config_get_statistics_collector(const LinphoneProxyConfig *cfg){
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	return cfg->statistics_collector;
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}


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/*
 * http://en.wikipedia.org/wiki/Telephone_numbering_plan
 * http://en.wikipedia.org/wiki/Telephone_numbers_in_Europe
 */
typedef struct dial_plan{
	const char *country;
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	const char* iso_country_code; /* ISO 3166-1 alpha-2 code, ex: FR for France*/
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	char  ccc[8]; /*country calling code*/
	int nnl; /*maximum national number length*/
	const char * icp; /*international call prefix, ex: 00 in europe*/
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}dial_plan_t;

/* TODO: fill with information for all countries over the world*/
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static dial_plan_t const dial_plans[]={
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	{"Afghanistan"                  ,"AF"		, "93"      , 9		, "00"  },
	{"Albania"                      ,"AL"		, "355"     , 9		, "00"  },
	{"Algeria"                      ,"DZ"		, "213"     , 9		, "00"  },
	{"American Samoa"               ,"AS"		, "1"       , 10	, "011"	},
	{"Andorra"                      ,"AD"		, "376"     , 6		, "00"  },
	{"Angola"                       ,"AO"		, "244"     , 9		, "00"  },
	{"Anguilla"                     ,"AI"		, "1"       , 10	, "011" },
	{"Antigua and Barbuda"          ,"AG"		, "1"       , 10	, "011"	},
	{"Argentina"                    ,"AR"		, "54"      , 10	, "00"  },
	{"Armenia"                      ,"AM"		, "374"     , 8		, "00"  },
	{"Aruba"                        ,"AW"		, "297"     , 7		, "011"	},
	{"Australia"                    ,"AU"		, "61"      , 9	    , "0011"},
	{"Austria"                      ,"AT"		, "43"      , 10	, "00"  },
	{"Azerbaijan"                   ,"AZ"       , "994"     , 9		, "00"  },
	{"Bahamas"                      ,"BS"		, "1"       , 10    , "011"	},
	{"Bahrain"                      ,"BH"		, "973"     , 8     , "00"  },
	{"Bangladesh"                   ,"BD"		, "880"     , 10    , "00"  },
	{"Barbados"                     ,"BB"		, "1"       , 10    , "011"	},
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	{"Belarus"                      ,"BY"		, "375"     , 9     , "00"  },
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	{"Belgium"                      ,"BE"		, "32"      , 9     , "00"  },
	{"Belize"                       ,"BZ"		, "501"     , 7     , "00"  },
	{"Benin"                        ,"BJ"		, "229"     , 8     , "00"	},
	{"Bermuda"                      ,"BM"		, "1"       , 10    , "011" },
	{"Bhutan"                       ,"BT"		, "975"     , 8     , "00"  },
	{"Bolivia"                      ,"BO"		, "591"     , 8     , "00"	},
	{"Bosnia and Herzegovina"       ,"BA"		, "387"     , 8     , "00"  },
	{"Botswana"                     ,"BW"		, "267"     , 8     , "00"  },
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	{"Brazil"                       ,"BR"		, "55"      , 10	, "00"  },
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	{"Brunei Darussalam"            ,"BN"		, "673"     , 7		, "00"	},
	{"Bulgaria"                     ,"BG"		, "359"     , 9		, "00"  },
	{"Burkina Faso"                 ,"BF"		, "226"     , 8		, "00"  },
	{"Burundi"                      ,"BI"		, "257"     , 8     , "011" },
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	{"Cambodia"                     ,"KH"		, "855"     , 9		, "00"  },
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	{"Cameroon"                     ,"CM"		, "237"     , 8		, "00"  },
	{"Canada"                       ,"CA"		, "1"       , 10	, "011" },
	{"Cape Verde"                   ,"CV"		, "238"     , 7		, "00"	},
	{"Cayman Islands"               ,"KY"		, "1"       , 10	, "011" },
	{"Central African Republic"     ,"CF"		, "236"     , 8     , "00"  },
	{"Chad"                         ,"TD"		, "235"     , 8		, "00"	},
	{"Chile"                        ,"CL"		, "56"      , 9	    , "00"  },
	{"China"                        ,"CN"		, "86"      , 11	, "00"  },
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	{"Colombia"                     ,"CO"       , "57"      , 10	, "00"  },
	{"Comoros"                      ,"KM"		, "269"     , 7     , "00"	},
	{"Congo"                        ,"CG"		, "242"     , 9		, "00"	},
	{"Congo Democratic Republic"	,"CD"		, "243"     , 9		, "00"  },
	{"Cook Islands"                 ,"CK"		, "682"     , 5		, "00"  },
	{"Costa Rica"                   ,"CR"		, "506"     , 8     , "00"	},
	{"C�te d'Ivoire"	            ,"AD"		, "225"     , 8     , "00"  },
	{"Croatia"                      ,"HR"		, "385"     , 9		, "00"  },
	{"Cuba"                         ,"CU"		, "53"      , 8     , "119" },
	{"Cyprus"                       ,"CY"		, "357"     , 8     , "00"	},
	{"Czech Republic"               ,"CZ"		, "420"     , 9     , "00"  },
	{"Denmark"                      ,"DK"		, "45"      , 8		, "00"  },
	{"Djibouti"                     ,"DJ"		, "253"     , 8		, "00"	},
	{"Dominica"                     ,"DM"		, "1"       , 10	, "011" },
	{"Dominican Republic"	        ,"DO"		, "1"       , 10	, "011" },
	{"Ecuador"                      ,"EC"       , "593"     , 9		, "00"  },
	{"Egypt"                        ,"EG"		, "20"      , 10	, "00"	},
	{"El Salvador"                  ,"SV"		, "503"     , 8		, "00"	},
	{"Equatorial Guinea"            ,"GQ"		, "240"     , 9		, "00"  },
	{"Eritrea"                      ,"ER"		, "291"     , 7		, "00"  },
	{"Estonia"                      ,"EE"		, "372"     , 8     , "00"	},
	{"Ethiopia"                     ,"ET"		, "251"     , 9     , "00"  },
	{"Falkland Islands"	            ,"FK"		, "500"     , 5		, "00"  },
	{"Faroe Islands"	            ,"FO"		, "298"     , 6     , "00"  },
	{"Fiji"                         ,"FJ"		, "679"     , 7     , "00"	},
	{"Finland"                      ,"FI"		, "358"     , 9     , "00"  },
	{"France"                       ,"FR"		, "33"      , 9		, "00"	},
	{"French Guiana"				,"GF"		, "594"     , 9		, "00"	},
	{"French Polynesia"             ,"PF"		, "689"     , 6	    , "00"  },
	{"Gabon"                        ,"GA"		, "241"     , 8     , "00"  },
	{"Gambia"                       ,"GM"       , "220"     , 7		, "00"  },
	{"Georgia"                      ,"GE"		, "995"     , 9     , "00"	},
	{"Germany"                      ,"DE"		, "49"      , 11	, "00"	},
	{"Ghana"                        ,"GH"		, "233"     , 9		, "00"  },
	{"Gibraltar"                    ,"GI"		, "350"     , 8		, "00"  },
	{"Greece"                       ,"GR"		, "30"      ,10     , "00"	},
	{"Greenland"                    ,"GL"		, "299"     , 6		, "00"  },
	{"Grenada"                      ,"GD"		, "1"       , 10	, "011" },
	{"Guadeloupe"                   ,"GP"		, "590"     , 9     , "00"  },
	{"Guam"                         ,"GU"		, "1"       , 10	, "011"	},
	{"Guatemala"                    ,"GT"		, "502"     , 8     , "00"  },
	{"Guinea"                       ,"GN"		, "224"     , 8		, "00"  },
	{"Guinea-Bissau"				,"GW"		, "245"     , 7		, "00"	},
	{"Guyana"                       ,"GY"		, "592"     , 7	    , "001" },
	{"Haiti"                        ,"HT"		, "509"     , 8     , "00"  },
	{"Honduras"                     ,"HN"       , "504"     , 8		, "00"  },
	{"Hong Kong"                    ,"HK"		, "852"     , 8     , "001"	},
	{"Hungary"                      ,"HU"		, "36"      , 9     , "00"  },
	{"Iceland"                      ,"IS"		, "354"     , 9     , "00"  },
	{"India"                        ,"IN"		, "91"      , 10    , "00"  },
	{"Indonesia"                    ,"ID"		, "62"      , 10	, "001"	},
	{"Iran"                         ,"IR"		, "98"      , 10	, "00"	},
	{"Iraq"                         ,"IQ"		, "964"     , 10	, "00"  },
	{"Ireland"                      ,"IE"		, "353"     , 9		, "00"  },
	{"Israel"                       ,"IL"		, "972"     , 9     , "00"	},
	{"Italy"                        ,"IT"		, "39"      , 10	, "00"  },
	{"Jamaica"                      ,"JM"		, "1"       , 10	, "011" },
	{"Japan"                        ,"JP"		, "81"      , 10	, "010" },
	{"Jordan"                       ,"JO"		, "962"     , 9     , "00"	},
	{"Kazakhstan"                   ,"KZ"		, "7"       , 10    , "00"  },
	{"Kenya"                        ,"KE"		, "254"     , 9		, "000" },
	{"Kiribati"                     ,"KI"		, "686"     , 5		, "00"	},
	{"Korea, North"                 ,"KP"		, "850"     , 12	, "99"  },
	{"Korea, South"                 ,"KR"       , "82"      , 12	, "001" },
	{"Kuwait"                       ,"KW"		, "965"     , 8     , "00"	},
	{"Kyrgyzstan"                   ,"KG"		, "996"     , 9     , "00"  },
	{"Laos"                         ,"LA"		, "856"     , 10    , "00"  },
	{"Latvia"                       ,"LV"		, "371"     , 8     , "00"	},
	{"Lebanon"                      ,"LB"		, "961"     , 7     , "00"	},
	{"Lesotho"                      ,"LS"		, "266"     , 8		, "00"	},
	{"Liberia"                      ,"LR"		, "231"     , 8		, "00"  },
	{"Libya"                        ,"LY"		, "218"     , 8		, "00"  },
	{"Liechtenstein"                ,"LI"		, "423"     , 7     , "00"	},
	{"Lithuania"                    ,"LT"		, "370"     , 8		, "00"  },
	{"Luxembourg"                   ,"LU"		, "352"     , 9		, "00"  },
	{"Macau"                        ,"MO"		, "853"     , 8     , "00"  },
	{"Macedonia"                    ,"MK"		, "389"     , 8     , "00"	},
	{"Madagascar"                   ,"MG"		, "261"     , 9     , "00"  },
	{"Malawi"                       ,"MW"		, "265"     , 9		, "00"  },
	{"Malaysia"                     ,"MY"		, "60"      , 9		, "00"	},
	{"Maldives"                     ,"MV"		, "960"     , 7	    , "00"  },
	{"Mali"                         ,"ML"		, "223"     , 8     , "00"  },
	{"Malta"                        ,"MT"       , "356"     , 8		, "00"  },
	{"Marshall Islands"				,"MH"		, "692"     , 7     , "011"	},
	{"Martinique"                   ,"MQ"		, "596"     , 9     , "00"  },
	{"Mauritania"                   ,"MR"		, "222"     , 8     , "00"  },
	{"Mauritius"                    ,"MU"		, "230"     , 7     , "00"	},
	{"Mayotte Island"               ,"YT"		, "262"     , 9     , "00"	},
	{"Mexico"                       ,"MX"		, "52"      , 10	, "00"	},
	{"Micronesia"                   ,"FM"		, "691"     , 7		, "011" },
	{"Moldova"                      ,"MD"		, "373"     , 8		, "00"  },
	{"Monaco"                       ,"MC"		, "377"     , 8     , "00"	},
	{"Mongolia"                     ,"MN"		, "976"     , 8     , "001" },
	{"Montenegro"                   ,"ME"		, "382"     , 8		, "00"  },
	{"Montserrat"                   ,"MS"		, "664"     , 10	, "011" },
	{"Morocco"                      ,"MA"		, "212"     , 9     , "00"	},
	{"Mozambique"                   ,"MZ"		, "258"     , 9     , "00"  },
	{"Myanmar"                      ,"MM"		, "95"      , 8		, "00"  },
	{"Namibia"                      ,"NA"		, "264"     , 9		, "00"	},
	{"Nauru"                        ,"NR"		, "674"     , 7	    , "00"  },
	{"Nepal"                        ,"NP"		, "43"      , 10	, "00"  },
	{"Netherlands"                  ,"NL"       , "31"      , 9		, "00"  },
	{"New Caledonia"				,"NC"		, "687"     , 6     , "00"	},
	{"New Zealand"                  ,"NZ"		, "64"      , 10	, "00"  },
	{"Nicaragua"                    ,"NI"		, "505"     , 8     , "00"  },
	{"Niger"                        ,"NE"		, "227"     , 8     , "00"	},
	{"Nigeria"                      ,"NG"		, "234"     , 10	, "009"	},
	{"Niue"                         ,"NU"		, "683"     , 4		, "00"	},
	{"Norfolk Island"	            ,"NF"		, "672"     , 5		, "00"  },
	{"Northern Mariana Islands"	    ,"MP"		, "1"       , 10	, "011" },
	{"Norway"                       ,"NO"		, "47"      , 8     , "00"	},
	{"Oman"                         ,"OM"		, "968"     , 8		, "00"  },
	{"Pakistan"                     ,"PK"		, "92"      , 10	, "00"  },
	{"Palau"                        ,"PW"		, "680"     , 7     , "011" },
	{"Palestine"                    ,"PS"		, "970"     , 9     , "00"	},
	{"Panama"                       ,"PA"		, "507"     , 8     , "00"  },
	{"Papua New Guinea"	            ,"PG"		, "675"     , 8		, "00"  },
	{"Paraguay"                     ,"PY"		, "595"     , 9		, "00"	},
	{"Peru"                         ,"PE"		, "51"      , 9	    , "00"  },
	{"Philippines"                  ,"PH"		, "63"      , 10	, "00"  },
	{"Poland"                       ,"PL"       , "48"      , 9		, "00"  },
	{"Portugal"                     ,"PT"		, "351"     , 9     , "00"	},
	{"Puerto Rico"                  ,"PR"		, "1"       , 10	, "011" },
	{"Qatar"                        ,"QA"		, "974"     , 8     , "00"  },
	{"R�union Island"				,"RE"		, "262"     , 9     , "011"	},
	{"Romania"                      ,"RO"		, "40"      , 9     , "00"	},
	{"Russian Federation"           ,"RU"		, "7"       , 10	, "8"	},
	{"Rwanda"                       ,"RW"		, "250"     , 9		, "00"  },
	{"Saint Helena"                 ,"SH"		, "290"     , 4		, "00"  },
	{"Saint Kitts and Nevis"		,"KN"		, "1"       , 10	, "011"	},
	{"Saint Lucia"                  ,"LC"		, "1"       , 10	, "011" },
	{"Saint Pierre and Miquelon"    ,"PM"		, "508"     , 6		, "00"  },
	{"Saint Vincent and the Grenadines","VC"	, "1"       , 10	, "011" },
	{"Samoa"                        ,"WS"		, "685"     , 7     , "0"	},
	{"San Marino"                   ,"SM"		, "378"     , 10	, "00"  },
	{"S�o Tom� and Pr�ncipe"        ,"ST"		, "239"     , 7		, "00"  },
	{"Saudi Arabia"                 ,"SA"		, "966"     , 9		, "00"	},
	{"Senegal"                      ,"SN"		, "221"     , 9	    , "00"  },
	{"Serbia"                       ,"RS"		, "381"     , 9     , "00"  },
	{"Seychelles"                   ,"SC"       , "248"     , 7		, "00"  },
	{"Sierra Leone"                 ,"SL"		, "232"     , 8     , "00"	},
	{"Singapore"                    ,"SG"		, "65"      , 8     , "001" },
	{"Slovakia"                     ,"SK"		, "421"     , 9     , "00"  },
	{"Slovenia"                     ,"SI"		, "386"     , 8     , "00"	},
	{"Solomon Islands"              ,"SB"		, "677"     , 7     , "00"	},
	{"Somalia"                      ,"SO"		, "252"     , 8		, "00"	},
	{"South Africa"                 ,"ZA"		, "27"      , 9		, "00"  },
	{"Spain"                        ,"ES"		, "34"      , 9		, "00"  },
	{"Sri Lanka"                    ,"LK"		, "94"      , 9     , "00"	},
	{"Sudan"                        ,"SD"		, "249"     , 9		, "00"  },
	{"Suriname"                     ,"SR"		, "597"     , 7		, "00"  },
	{"Swaziland"                    ,"SZ"		, "268"     , 8     , "00"  },
	{"Sweden"                       ,"SE"		, "1"       , 9     , "00"	},
	{"Switzerland"                  ,"XK"		, "41"      , 9		, "00"	},
	{"Syria"                        ,"SY"		, "963"     , 9		, "00"  },
	{"Taiwan"                       ,"TW"		, "886"     , 9		, "810"	},
	{"Tajikistan"                   ,"TJ"		, "992"     , 9	    , "002" },
	{"Tanzania"                     ,"TZ"		, "255"     , 9     , "000" },
	{"Thailand"                     ,"TH"       , "66"      , 9		, "001" },
	{"Togo"                         ,"TG"		, "228"     , 8     , "00"	},
	{"Tokelau"                      ,"TK"		, "690"     , 4     , "00"  },
	{"Tonga"                        ,"TO"		, "676"     , 5     , "00"  },
	{"Trinidad and Tobago"			,"TT"		, "1"       , 10    , "011"	},
	{"Tunisia"                      ,"TN"		, "216"     , 8     , "00"	},
	{"Turkey"                       ,"TR"		, "90"      , 10	, "00"	},
	{"Turkmenistan"                 ,"TM"		, "993"     , 8		, "00"  },
	{"Turks and Caicos Islands"	    ,"TC"		, "1"       , 7		, "0"   },
	{"Tuvalu"                       ,"TV"		, "688"     , 5     , "00"	},
	{"Uganda"                       ,"UG"		, "256"     , 9     , "000" },
	{"Ukraine"                      ,"UA"		, "380"     , 9		, "00"  },
	{"United Arab Emirates"	        ,"AE"		, "971"     , 9     , "00"  },
	{"United Kingdom"               ,"UK"		, "44"      , 10	, "00"	},
	{"United States"                ,"US"		, "1"       , 10	, "011" },
	{"Uruguay"                      ,"UY"		, "598"     , 8		, "00"  },
	{"Uzbekistan"                   ,"UZ"		, "998"     , 9		, "8"	},
	{"Vanuatu"                      ,"VU"		, "678"     , 7	    , "00"  },
	{"Venezuela"                    ,"VE"		, "58"      , 10	, "00"  },
	{"Vietnam"                      ,"VN"		, "84"      , 9     , "00"  },
	{"Wallis and Futuna"	        ,"WF"		, "681"     , 5		, "00"  },
	{"Yemen"                        ,"YE"		, "967"     , 9     , "00"  },
	{"Zambia"                       ,"ZM"		, "260"     , 9     , "00"	},
	{"Zimbabwe"                     ,"ZW"		, "263"     , 9     , "00"  },
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	{NULL                           ,NULL       ,  ""       , 0     , NULL	}
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};
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static dial_plan_t most_common_dialplan={ "generic" ,"", "", 10, "00"};

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int linphone_dial_plan_lookup_ccc_from_e164(const char* e164) {
	dial_plan_t* dial_plan;
	dial_plan_t* elected_dial_plan=NULL;
	unsigned int found;
	unsigned int i=0;
	if (e164[1]=='1') {
		/*USA case*/
		return 1;
	}
	do {
		found=0;
		i++;
		for (dial_plan=(dial_plan_t*)dial_plans; dial_plan->country!=NULL; dial_plan++) {
			if (strncmp(dial_plan->ccc,&e164[1],i) == 0) {
				elected_dial_plan=dial_plan;
				found++;
			}
		}
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	} while ((found>1 || found==0) && i < sizeof(dial_plan->ccc));
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	if (found==1) {
		return atoi(elected_dial_plan->ccc);
	} else {
		return -1; /*not found */
	}

}
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int linphone_dial_plan_lookup_ccc_from_iso(const char* iso) {
	dial_plan_t* dial_plan;
	for (dial_plan=(dial_plan_t*)dial_plans; dial_plan->country!=NULL; dial_plan++) {
		if (strcmp(iso, dial_plan->iso_country_code)==0) {
			return atoi(dial_plan->ccc);
		}
	}
	return -1;
}
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static void lookup_dial_plan(const char *ccc, dial_plan_t *plan){
	int i;
	for(i=0;dial_plans[i].country!=NULL;++i){
		if (strcmp(ccc,dial_plans[i].ccc)==0){
			*plan=dial_plans[i];
			return;
		}
	}
	/*else return a generic "most common" dial plan*/
	*plan=most_common_dialplan;
	strcpy(plan->ccc,ccc);
}
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static bool_t is_a_phone_number(const char *username){
	const char *p;
	for(p=username;*p!='\0';++p){
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		if (isdigit(*p) ||
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		    *p==' ' ||
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		    *p=='.' ||
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		    *p=='-' ||
		    *p==')' ||
			*p=='(' ||
			*p=='/' ||
			*p=='+') continue;
		else return FALSE;
	}
	return TRUE;
}

static char *flatten_number(const char *number){
	char *result=ms_malloc0(strlen(number)+1);
	char *w=result;
	const char *r;
	for(r=number;*r!='\0';++r){
		if (*r=='+' || isdigit(*r)){
			*w++=*r;
		}
	}
	*w++='\0';
	return result;
}

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static void replace_plus(const char *src, char *dest, size_t destlen, const char *icp){
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	int i=0;
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	if (icp && src[0]=='+' && (destlen>(i=strlen(icp))) ){
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		src++;
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		strcpy(dest,icp);
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	}
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	for(;(i<destlen-1) && *src!='\0';++i){
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		dest[i]=*src;
		src++;
	}
	dest[i]='\0';
}


int linphone_proxy_config_normalize_number(LinphoneProxyConfig *proxy, const char *username, char *result, size_t result_len){
	int numlen;
	if (is_a_phone_number(username)){
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		char *flatten;
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		flatten=flatten_number(username);
		ms_message("Flattened number is '%s'",flatten);
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		if (proxy->dial_prefix==NULL || proxy->dial_prefix[0]=='\0'){
			/*no prefix configured, nothing else to do*/
			strncpy(result,flatten,result_len);
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			ms_free(flatten);
			return 0;
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		}else{
			dial_plan_t dialplan;
			lookup_dial_plan(proxy->dial_prefix,&dialplan);
			ms_message("Using dialplan '%s'",dialplan.country);
			if (flatten[0]=='+' || strstr(flatten,dialplan.icp)==flatten){
				/* the number has international prefix or +, so nothing to do*/
				ms_message("Prefix already present.");
				/*eventually replace the plus*/
				replace_plus(flatten,result,result_len,proxy->dial_escape_plus ? dialplan.icp : NULL);
				ms_free(flatten);
				return 0;
			}else{
				int i=0;
				int skip;
				numlen=strlen(flatten);
				/*keep at most national number significant digits */
				skip=numlen-dialplan.nnl;
				if (skip<0) skip=0;
				/*first prepend internation calling prefix or +*/
				if (proxy->dial_escape_plus){
					strncpy(result,dialplan.icp,result_len);
					i+=strlen(dialplan.icp);
				}else{
					strncpy(result,"+",result_len);
					i+=1;
				}
				/*add prefix*/
				if (result_len-i>strlen(dialplan.ccc)){
					strcpy(result+i,dialplan.ccc);
					i+=strlen(dialplan.ccc);
				}
				/*add user digits */
				strncpy(result+i,flatten+skip,result_len-i-1);
				ms_free(flatten);
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			}
		}
	}else strncpy(result,username,result_len);
	return 0;
}

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/**
 * Commits modification made to the proxy configuration.
**/
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int linphone_proxy_config_done(LinphoneProxyConfig *obj)
{
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	if (!linphone_proxy_config_check(obj->lc,obj))
		return -1;

	/*check if server address as changed*/
	if (linphone_proxy_config_is_server_config_changed(obj)) {
		/* server config has changed, need to unregister from previous first*/
		if (obj->op) {
			_linphone_proxy_config_unregister(obj);
			sal_op_set_user_pointer(obj->op,NULL); /*we don't want to receive status for this un register*/
			sal_op_unref(obj->op); /*but we keep refresher to handle authentication if needed*/
			obj->op=NULL;
		}
	}
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	obj->commit=TRUE;
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	linphone_proxy_config_write_all_to_config_file(obj->lc);
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	return 0;
}

void linphone_proxy_config_set_realm(LinphoneProxyConfig *cfg, const char *realm)
{
	if (cfg->realm!=NULL) {
		ms_free(cfg->realm);
		cfg->realm=NULL;
	}
	if (realm!=NULL) cfg->realm=ms_strdup(realm);
}

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int linphone_proxy_config_send_publish(LinphoneProxyConfig *proxy, LinphonePresenceModel *presence){
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	int err=0;
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	if (proxy->state==LinphoneRegistrationOk || proxy->state==LinphoneRegistrationCleared){
		if (proxy->publish_op==NULL){
			proxy->publish_op=sal_op_new(proxy->lc->sal);
			sal_op_set_route(proxy->publish_op,proxy->reg_proxy);
			sal_op_set_from(proxy->publish_op,linphone_proxy_config_get_identity(proxy));
			sal_op_set_to(proxy->publish_op,linphone_proxy_config_get_identity(proxy));
			if (lp_config_get_int(proxy->lc->config,"sip","publish_msg_with_contact",0)){
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				SalAddress *addr=sal_address_new(linphone_proxy_config_get_identity(proxy));
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				sal_op_set_contact_address(proxy->publish_op,addr);
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				sal_address_unref(addr);
			}
		}
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		err=sal_publish_presence(proxy->publish_op
									,NULL
									,NULL
									,linphone_proxy_config_get_publish_expires(proxy)
									,(SalPresenceModel *)presence);
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	}else proxy->send_publish=TRUE; /*otherwise do not send publish if registration is in progress, this will be done later*/
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	return err;
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}

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/**
 * Returns the route set for this proxy configuration.
**/
const char *linphone_proxy_config_get_route(const LinphoneProxyConfig *obj){
	return obj->reg_route;
}

/**
 * Returns the SIP identity that belongs to this proxy configuration.
 *
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 * The SIP identity is a SIP address (Display Name <sip:username@@domain> )
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**/
const char *linphone_proxy_config_get_identity(const LinphoneProxyConfig *obj){
	return obj->reg_identity;
}

/**
 * Returns TRUE if PUBLISH request is enabled for this proxy.
**/
bool_t linphone_proxy_config_publish_enabled(const LinphoneProxyConfig *obj){
	return obj->publish;
}

/**
 * Returns the proxy's SIP address.
**/
const char *linphone_proxy_config_get_addr(const LinphoneProxyConfig *obj){
	return obj->reg_proxy;
}

/**
 * Returns the duration of registration.
**/
int linphone_proxy_config_get_expires(const LinphoneProxyConfig *obj){
	return obj->expires;
}

/**
 * Returns TRUE if registration to the proxy is enabled.
**/
bool_t linphone_proxy_config_register_enabled(const LinphoneProxyConfig *obj){
	return obj->reg_sendregister;
}

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/**
 * Set optional contact parameters that will be added to the contact information sent in the registration.
 * @param obj the proxy config object
 * @param contact_params a string contaning the additional parameters in text form, like "myparam=something;myparam2=something_else"
 *
 * The main use case for this function is provide the proxy additional information regarding the user agent, like for example unique identifier or apple push id.
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 * As an example, the contact address in the SIP register sent will look like <sip:joe@15.128.128.93:50421>;apple-push-id=43143-DFE23F-2323-FA2232.
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**/
void linphone_proxy_config_set_contact_parameters(LinphoneProxyConfig *obj, const char *contact_params){
	if (obj->contact_params) {
		ms_free(obj->contact_params);
		obj->contact_params=NULL;
	}
	if (contact_params){
		obj->contact_params=ms_strdup(contact_params);
	}
}

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/**
 * Set optional contact parameters that will be added to the contact information sent in the registration, inside the URI.
 * @param obj the proxy config object
 * @param contact_params a string contaning the additional parameters in text form, like "myparam=something;myparam2=something_else"
 *
 * The main use case for this function is provide the proxy additional information regarding the user agent, like for example unique identifier or apple push id.
 * As an example, the contact address in the SIP register sent will look like <sip:joe@15.128.128.93:50421;apple-push-id=43143-DFE23F-2323-FA2232>.
**/
void linphone_proxy_config_set_contact_uri_parameters(LinphoneProxyConfig *obj, const char *contact_uri_params){
	if (obj->contact_uri_params) {
		ms_free(obj->contact_uri_params);
		obj->contact_uri_params=NULL;
	}
	if (contact_uri_params){
		obj->contact_uri_params=ms_strdup(contact_uri_params);
	}
}

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/**
 * Returns previously set contact parameters.
**/
const char *linphone_proxy_config_get_contact_parameters(const LinphoneProxyConfig *obj){
	return obj->contact_params;
}

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/**
 * Returns previously set contact URI parameters.
**/
const char *linphone_proxy_config_get_contact_uri_parameters(const LinphoneProxyConfig *obj){
	return obj->contact_uri_params;
}

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struct _LinphoneCore * linphone_proxy_config_get_core(const LinphoneProxyConfig *obj){
	return obj->lc;
}
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/**
 * Add a proxy configuration.
 * This will start registration on the proxy, if registration is enabled.
**/
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int linphone_core_add_proxy_config(LinphoneCore *lc, LinphoneProxyConfig *cfg){
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	if (!linphone_proxy_config_check(lc,cfg)) {
		return -1;
	}
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	if (ms_list_find(lc->sip_conf.proxies,cfg)!=NULL){
		ms_warning("ProxyConfig already entered, ignored.");
		return 0;
	}
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	lc->sip_conf.proxies=ms_list_append(lc->sip_conf.proxies,(void *)cfg);
	linphone_proxy_config_apply(cfg,lc);
	return 0;
}

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/**
 * Removes a proxy configuration.
 *
 * LinphoneCore will then automatically unregister and place the proxy configuration
 * on a deleted list. For that reason, a removed proxy does NOT need to be freed.
**/
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void linphone_core_remove_proxy_config(LinphoneCore *lc, LinphoneProxyConfig *cfg){
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	/* check this proxy config is in the list before doing more*/
	if (ms_list_find(lc->sip_conf.proxies,cfg)==NULL){
		ms_error("linphone_core_remove_proxy_config: LinphoneProxyConfig %p is not known by LinphoneCore (programming error?)",cfg);
		return;
	}
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	lc->sip_conf.proxies=ms_list_remove(lc->sip_conf.proxies,cfg);
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	/* add to the list of destroyed proxies, so that the possible unREGISTER request can succeed authentication */
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	lc->sip_conf.deleted_proxies=ms_list_append(lc->sip_conf.deleted_proxies,cfg);
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	cfg->deletion_date=ms_time(NULL);
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	if (cfg->state==LinphoneRegistrationOk){
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		/* unREGISTER */
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		linphone_proxy_config_edit(cfg);
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		linphone_proxy_config_enable_register(cfg,FALSE);
		linphone_proxy_config_done(cfg);
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	}
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	if (lc->default_proxy==cfg){
		lc->default_proxy=NULL;
	}
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	linphone_proxy_config_write_all_to_config_file(lc);
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}
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/**
 * Erase all proxies from config.
 *
 * @ingroup proxy
**/
void linphone_core_clear_proxy_config(LinphoneCore *lc){
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	MSList* list=ms_list_copy(linphone_core_get_proxy_config_list((const LinphoneCore*)lc));
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	MSList* copy=list;
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	for(;list!=NULL;list=list->next){
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		linphone_core_remove_proxy_config(lc,(LinphoneProxyConfig *)list->data);
	}