Yealink T46G Skype For Business Edition, Administrator'S Manual

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Appendix
373

draft-ietf-bliss-shared-appearances-15.txt—Shared Appearances of a Session Initiation
Protocol (SIP) Address of Record (AOR)
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 Skype for Business
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
UPDATE Yes
PUBLISH Yes