Yealink CP860 [372/417] Sip header

Yealink CP860 [372/417] Sip header
Administrators Guide for CP860 IP conference phones
360
Method
Supported
Notes
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
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

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