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Version 6.2 117 December 2010
SIP Release Notes 2. Supported Features
RFC Number RFC Title
RFC 3578
Interworking of ISDN overlap signalling to SIP
RFC 3581
Symmetric Response Routing - rport
RFC 3605
RTCP attribute in SDP
RFC 3608
SIP Extension Header Field for Service Route Discovery During Registration
RFC 3611
RTP Control Protocol Extended Reports (RTCP XR)
RFC 3665
SIP Basic Call Flow Examples
RFC 3666
SIP to PSTN Call Flows
RFC 3680
A SIP Event Package for Registration (IMS)
RFC 3711
The Secure Real-time Transport Protocol (SRTP)
RFC 3725
Third Party Call Control
RFC 3824
Using E.164 numbers with SIP (ENUM)
RFC 3842
MWI
RFC 3891
"Replaces" Header
RFC 3892
The SIP Referred-By Mechanism
RFC 3903
SIP Extension for Event State Publication
RFC 3911
The SIP Join Header [Partial]
RFC 3959
The Early Disposition Type for SIP
RFC 3960
Early Media and Ringing Tone Generation in SIP (partial compliance)
RFC 3966
The tel URI for Telephone Numbers
RFC 4028
Session Timers in the Session Initiation Protocol
RFC 4040
RTP Payload Format for a 64 kbit/s Transparent Call - Clearmode
RFC 4117
Transcoding Services Invocation
RFC 4235
An INVITE-Initiated Dialog Event Package for SIP (partial)
RFC 4240
Basic Network Media Services with SIP - NetAnn
RFC 4244
An Extension to SIP for Request History Information
RFC 4320
Actions Addressing Identified Issues with SIP Non-INVITE Transaction
RFC 4321
Problems Identified Associated with SIP Non-INVITE Transaction
RFC 4411
Extending SIP Reason Header for Preemption Events
RFC 4412
Communications Resource Priority for SIP
RFC 4458
SIP URIs for Applications such as Voicemail and Interactive Voice Response
RFC 4475
SIP Torture Test Messages
RFC 4497 or
ISO/IEC 17343
Interworking between SIP and QSIG
RFC 4568
SDP Security Descriptions for Media Streams for SRTP
RFC 4715
Interworking of ISDN Sub Address to sip isub parameter
RFC 4730
A SIP Event Package for Key Press Stimulus (KPML) [Partial]