SIP messages and call control API

The SIP messages and call control API. More...

Modules
	eXosip2 INVITE and Call Management
	eXosip2 request outside of dialog
	eXosip2 OPTIONS and UA capabilities Management
	eXosip2 Publication Management
	eXosip2 REGISTER and Registration Management
	eXosip2 SUBSCRIBE and outgoing subscriptions
	eXosip2 SUBSCRIBE and incoming subscriptions
	eXosip2 authentication API
	eXosip2 SDP helper API.

Detailed Description

The SIP messages and call control API.

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