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 Conflicts:
	coreapi/bellesip_sal/sal_op_impl.c

Reimplement commit 6368bc of master branch "Fix problem where address family is not guessed as it should (if we receive the INVITE just after sending the REGISTER but before receiving the response of the REGISTER)"

Add new property in [sip] section called "tls_certificate_subject_regexp" providing a regexp to match with TLS certificate subjects:
subjectAltNames.DNS subjectAltNames.URI and CN.
If nothing is matched the TLS connection is rejected.

Reply 489 Bad Event if we receive a NOTIFY in a call for anything else than a "refer" event package. This commit is also made in master branch.

This reverts commit 2686dca6.

This reverts commit d7890dbe, reversing
changes made to e6158d8d.

call localListEventHandler when necessary + use subscribeReceived instead of subscriptionStateChanged