Yealink SIP-T2XP

Administrator’s Guide for SIP-T2xP IP Phones
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Method
Supported
Notes
INFO
Yes
MESSAGE
Yes
UPDATE
Yes
PUBLISH
Yes
The following SIP request headers are supported:
Method
Supported
Notes
Accept
Yes
Alert-Info
Yes
Allow
Yes
Allow-Events
Yes
Authorization
Yes
Call-ID
Yes
Call-Info
Yes
Contact
Yes
Content-Length
Yes
Content-Type
Yes
CSeq
Yes
Diversion
Yes
Event
Yes
Expires
Yes
From
Yes
Max-Forwards
Yes
Min-SE
Yes
P-Asserted-Identity
Yes
P-Preferred-Identity
Yes
Proxy-Authenticate
Yes
Proxy-Authorization
Yes