eXosip2 OPTIONS and UA capabilities Management
[SIP messages and call control API]

Functions
int	eXosip_options_build_request (osip_message_t **options, const char *to, const char *from, const char *route)
int	eXosip_options_send_request (osip_message_t *options)
int	eXosip_options_build_answer (int tid, int status, osip_message_t **answer)
int	eXosip_options_send_answer (int tid, int status, osip_message_t *answer)

---

Function Documentation

int eXosip_options_build_request	(	osip_message_t **	options,
		const char *	to,
		const char *	from,
		const char *	route
	)

Build a default OPTIONS message.

Parameters:

	options	Pointer for the SIP request to build.
	to	SIP url for callee.
	from	SIP url for caller.
	route	Route header for INVITE. (optionnal)

int eXosip_options_send_request

(

osip_message_t *

options

)

Send an OPTIONS request.

Parameters:

options

SIP OPTIONS message to send.

int eXosip_options_build_answer	(	int	tid,
		int	status,
		osip_message_t **	answer
	)

Build answer for an OPTIONS request.

Parameters:

	tid	id of OPTIONS transaction.
	status	status for SIP answer to build.
	answer	The SIP answer to build.

int eXosip_options_send_answer	(	int	tid,
		int	status,
		osip_message_t *	answer
	)

Send answer for an OPTIONS request.

Parameters:

	tid	id of OPTIONS transaction.
	status	status for SIP answer to send.
	answer	The SIP answer to send. (default will be sent if NULL)

---