Yealink SIP-T2XP Administration Guide

Appendix
181
Method
Supported
Notes
RAck
Yes
Record-Route
Yes
Refer-To
Yes
Referred-By
Yes
Remote-Party-ID
Yes
Replaces
Yes
Require
Yes
Route
Yes
RSeq
Yes
Session-Expires
Yes
Subscription-State
Yes
Supported
Yes
To
Yes
User-Agent
Yes
Via
Yes
The following SIP responses are supported:
1xx Response—Information Responses
1xx Response
Supported
Notes
100 Trying
Yes
180 Ringing
Yes
181 Call Is Being Forwarded
Yes
183 Session Progress
Yes
2xx Response—Successful Responses
2xx Response
Supported
Notes
200 OK
Yes

Yealink SIP-T2XP Specifications

General

Brand	Yealink
Model	SIP-T2XP
Category	IP Phone
Language	English