BYE reaches directly from Alice to Bob bypassing the proxy server. Finally, Bob sends a 200 OK response to confirm the BYE and the session is terminated. In the above basic call flow, three transactions are (marked as 1, 2, 3) available.The...
1)RFC3665 -Session Initiation Protocol (SIP) Basic Call Flow Examples 2)3PCC - RFC3725 -3rd party call control in sip 3)SDP – RFC2327 RFC3264 RFC4566 - 新的SDP标准是RFC4566(2006.7),替换了RFC2327与RFC3266; 4)RFC3960 - Early Media and Ringing Tone Generation in the Session Initiation ...
RFC 3665 SIP Basic Call Flow Examples December 2003 Via: SIP/2.0/TCP ss1.atlanta.example.com:5060;branch=z9hG4bK2d4790.1 ;received=192.0.2.111 Via: SIP/2.0/TCP client.atlanta.example.com:5060;branch=z9hG4bK74b76 ;received=192.0.2.101 Max-Forwards: 68 From: Alice <sip:alice@atlanta....
There are various forms ofSIP call flowsdepending on the software involved—basic SIP to SIP, proxy servers, SIP Gateways, etc. Here we’ve focused on the basic SIP call flow: a direct call from one SIP user to another. Source. Without knowing the usual SIP requests and response codes, ...
Session Initiation Protocol (SIP) Basic Call Flow Examples 3 PCC - RFC3725 3rd party call control in sip SDP – RFC2327 RFC3264 RFC4566 新的SDP 标准是 RFC4566(2006.7) ,替换了 RFC2327 与 RFC3266 ; RFC3960 Early Media and Ringing Tone Generation in the Session Initiation ...
sip call flow Incoming call Step one, 收到一个呼叫请求，并携带caller的媒体能力 Step two, 发送一个确认回应 Step three, 发送一个正在振铃回应 Step four，发送一个应答回应，携带callee确认的媒体信息 Step five, 收到一个确认回应 Step six，收到一个会话终止请求 Step seven，发送一个确认回应 Outgoing ...
SIPCALLFLOW 1.Introduction SessionInitiationProtocol(SIP)isanapplicationlayersignallingprotocol forcreating,modifyingandterminatingsessionswithoneormore participantsoverIPnetwork.Thesesessionsincludetelephonecalls, multimediaconferences,instantmessagingetc.usingaudio,videoand ...
SIP Call Flow Basic SIP session setup involves a SIP UA client sending a request to the SIP URL of the called endpoint (UAS), inviting it to a session. If the UAC knows the IP address of the UAS, it can send the request. Otherwise, the UAC sends the request to a proxy or ...
RFC 3665 SIP Basic Call Flow Examples RFC 3702 Authentication, Authorization, and Accounting Requirements for SIP RFC 3824 Using E.164 numbers with SIP RFC 3968 IANA Registry for SIP Header Field RFC 3969 IANA Registry for SIP URI RFC 3976 Interworking SIP and IN Applications ...
SIP Call Flows DA P P E N D I X This section describes some basic call flows for the Cisco ATA: • Supported SIP Request Methods, page D-1 • Call Flow Scenarios for Successful Calls, page D-2 Note The term Cisco ATA refers to both the Cisco ATA 186 and the Cisco ATA 188, ...