Specifications

Appendix
395
 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-sipping-rtcp-summary-02.txt —Session Initiation Protocol Package for
Voice Quality Reporting Event
 draft-ietf-sip-connect-reuse-04.txt—Connection Reuse in the Session Initiation
Protocol (SIP)
To find the applicable Request for Comments (RFC) document, go to
http://www.ietf.org/rfc.html and enter the RFC number.
SIP Request
The following SIP request messages are supported:
Method
Supported
Notes
REGISTER
Yes
INVITE
Yes
Yealink SIP-T2xP IP phones
support mid-call changes
such as placing a call on
hold as signaled by a new
INVITE that contains an
existing Call-ID.
ACK
Yes
CANCEL
Yes
BYE
Yes
OPTIONS
Yes
SUBSCRIBE
Yes
NOTIFY
Yes
REFER
Yes
PRACK
Yes
INFO
Yes
MESSAGE
Yes