Added lookupCCCFromIso method to JNI

coreapi/linphonecore_jni.cc

@@ -1074,6 +1074,12 @@ extern "C" jstring Java_org_linphone_core_LinphoneProxyConfigImpl_normalizePhone
 	env->ReleaseStringUTFChars(jnumber, number);
 	return normalizedNumber;
 }
+extern "C" jint Java_org_linphone_core_LinphoneProxyConfigImpl_lookupCCCFromIso(JNIEnv* env, jobject thiz, jstring jiso) {
+	const char* iso = env->GetStringUTFChars(jiso, NULL);
+	int prefix = linphone_dial_plan_lookup_ccc_from_iso(iso);
+	env->ReleaseStringUTFChars(jiso, iso);
+	return (jint) prefix;
+}
 extern "C" jstring Java_org_linphone_core_LinphoneProxyConfigImpl_getDomain(JNIEnv* env
 																			,jobject thiz
 																			,jlong proxyCfg) {

java/common/org/linphone/core/LinphoneProxyConfig.java

@@ -139,4 +139,10 @@ public interface LinphoneProxyConfig {
 	 * @param parameters to add
 	 */
 	public void setContactParameters(String params);
+	
+	/**
+	 * Return the international prefix for the given country
+	 * @param country iso code
+	 */
+	public int lookupCCCFromIso(String iso);
 }