【正文】 ...............................................................16 Enumerations .........................................................................................................16 Functions.......................................................................................................................17 Enumeration Type Documentation.................................................................................17 Function Documentation................................................................................................193 SIP messages and call control API ..........................................................................................21 eXosip2 INVITE and Call Management.....................................................................21 Functions.........................................................................................................21 Function Documentation.................................................................................22 eXosip2 request outside of dialog ...............................................................................29 Functions.........................................................................................................29 Function Documentation.................................................................................29 eXosip2 OPTIONS and UA capabilities Management ...............................................31 Functions.........................................................................................................31 Function Documentation.................................................................................31 eXosip2 Publication Management ..............................................................................33 Functions.........................................................................................................33 Function Documentation.................................................................................33 eXosip2 REFER and blind tranfer Management outside of calls................................35 Functions.........................................................................................................35 Function Documentation.................................................................................35 eXosip2 REGISTER and Registration Management ..................................................37 Functions.........................................................................................................37 Function Documentation.................................................................................37 eXosip2 SUBSCRIBE and outgoing subscriptions.....................................................39 Enumerations...................................................................................................39 Functions.........................................................................................................39 Enumeration Type Documentation..................................................................40 Function Documentation.................................................................................41 eXosip2 SUBSCRIBE and ining subscriptions....................................................43 Functions.........................................................................................................43 Function Documentation.................................................................................43 eXosip2 authentication API.........................................................................................46 Functions.........................................................................................................46 Function Documentation.................................................................................46 Xosip2 SDP helper API...............................................................................................48 Functions.........................................................................................................48 Function Documentation.................................................................................481 The eXtented eXosip stack HowTo initialize libeXosip2.When using eXosip, your first task is to initialize both eXosip context and libosiplibrary (parser and state machines). This must be done prior to any use of libeXosip2.include eXosip2/int i。if (i!=0)return 1。return 1。){je = eXosip_event_wait (0, 50)。if (je == NULL)break。i = osip_message_header_get_byname (evtsip, referto, 0,amp。i = eXosip_call_build_initial_invite (amp。{char tmp[4096]。osip_message_set_body (invite, tmp, strlen (tmp))。if (i 0){eXosip_call_set_reference (i, reference)。ll also get thedialog identifier that will also be needed to control established calls.eXosip_call_set_reference is also a mean to attach one of your own context to a callso that you39。eXosip_unlock ()。i = eXosip_call_build_answer (catid, 200, amp。if (i != 0){osip_message_free (answer)。Note: In the above code, you can note that to send a response to a request, you haveto use the transaction identifier (and not a call identifier or a dialog identifier!)Note2: For sending a 200ok, you39。int i。if (i == 0){snprintf (dtmf_body, 999, Signal=%c\r\nDuration=250\r\n, c)。}eXosip_unlock ()。eXosip_lock ()。return 1。eXosip_unlock ()。eXosip_lock ()。return 1。ll specify the method to use in the second argument.Parameters:message Pointer for the SIP request to build.method request method. (like MESSAGE or PING...)to SIP url for callee.from SIP url for caller.route Route header for request. (optionnal)int eXosip_message_send_request( osip_message_t * message )Send an request.Parameters:message SIP request to send.inteXosip_message_build_answer(inttid,int status,osip