Polycom SOUNDPOINT SIP 2.2.0 - Manual (Page 217)

Session Initiation Protocol (SIP)
B - 3
• RFC 3969—The Internet Assigned Number Authority (IANA) Uniform
Resource Identifier (URI) Parameter Registry for the Session Initiation
Protocol (SIP)
• RFC 4028—Session Timers in the Session Initiation Protocol (SIP)
• RFC 4235—An INVITE-Initiated Dialog Event Package for the Session
Initiation Protocol (SIP)
• RFC 4662—Session Initiation Protocol (SIP) Event Notification Extension
for Resource Lists
• draft-levy-sip-diversion-04.txt—Diversion Indication in SIP
• draft-anil-sipping-bla-02.txt—Implementing Bridged Line Appearances
(BLA) Using Session Initiation Protocol (SIP)
• draft-ietf-sip-privacy-04.txt—SIP Extensions for Network-Asserted Caller
Identity and Privacy within Trusted Networks
• draft-levy-sip-diversion-06.txt—Diversion Indication in SIP
• draft-ietf-sipping-cc-conferencing-03.txt—SIP Call Control - Conferencing
for User Agents
• draft-ietf-sip-connect-reuse-04.txt—Connection Reuse in the Session
Initiation Protocol (SIP)
Request Support
The following SIP request messages are supported:
Method Supported Notes
REGISTER Yes
INVITE Yes
ACK Yes
CANCEL Yes
BYE Yes
OPTIONS Yes
SUBSCRIBE Yes
NOTIFY Yes
REFER Yes
PRACK Yes