Hi, Afaik, sipXtapi support early media in its basic standard type. That is it plays media, coming before actual SIP connection is estabilished. Though it does not support PRACK (Provisional Response ACKnowledgement) - a method, used to interoperate with some of PSTN gateways. If you need to support it, you have to modify sipXtackLib (SIP library inside sipXtapi) with this.
-- Regards, Alexander Chemeris. SIPez LLC. SIP VoIP, IM and Presence Consulting http://www.SIPez.com tel: +1 (617) 273-4000 _______________________________________________ sipxtapi-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipxtapi-dev/
