主页(http://www.pttcn.net):SIP 相关技术系列讲座开讲(8) SIP trunk connectivity items ‘from the field’ Part 8:SIP 和 Fax over IP Faxing Basics Faxing background T.30 Fax signaling Associated tones and protocols The ITU and TIA standards Fax over IP Fax over IP benefits From the old to the new Intro to FoIP FoIP and SIP trunks Protocol conversions Fax Protocols G.711 Pass-through T.37 Store and Forward T.38 Relay Where does SIP fit in? UDPTL Protocol options for the future FoIP in action SIP in FoIP – Call Flow SIP INVITE INVITE for T.38 The INVITE SDP body Wireshark FoIP example SIP T.38 Call flows – IETF draft document Bandwidth T.38 and G.711 network traffic Troubleshooting The basics More complex issues to watch out for Ongoing Efforts RFC 6913 and sip.fax tag Use DTMF events instead? Part 9:SIP和UC 融合通信介绍 Communication Breakdown Playing Voicemail tag Can’t find people Available but not Available..! More Examples of communication problems IM Clients IM Client Examples and Features More in IM Clients The Background Stuff The IMPP working group IMPP and CPP More IMPP work SIMPLE How it all works Presentity A Basic SIP subscription Multiple Presence States Presence and P2P A Presence Network Getting inside the SIP packets Presentity and more! A Basic SIP Subscription Multiple Presence States Presence and P2P A Presence Network Get inside the SIP packets The Packet Structure PIDF Message Body XML Tuples Example Presence doc with Tuples (using a Mobile Phone) The METHODS in Action PUBLISH SUBSCRIBE NOTIFY MESSAGE is-composing Rich Presence 2 Places at the same time ‘Presence’ Federations What is Federation? Multiple Presence sources Super-Aggregation Inter-Domain Federation Conferencing What SIP does in Conferencing INITIATE a conference JOIN a conference LEAVE / EXIT a conference INVITE other participants REFER conference server to invite or others to join EXPEL participants CONFIGURE the media stream CONTROL a conference Why SIP?
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