Polycom SIP 3.0.2 ユーザーズマニュアル
Administrator’s Guide SoundPoint IP / SoundStation IP
B - 6
Response Support
The following SIP responses are supported:
1xx Responses - Provisional
2xx Responses - Success
Subject
No
Subscription-State
Yes
Supported
Yes
Timestamp
No
To
Yes
Unsupported
No
User-Agent
Yes
Via
Yes
Warning
No
WWW-Authenticate
Yes
Header
Supported
Notes
Note
In the following table, a “Yes” in the Supported column means the header is sent
and properly parsed. The phone may not actually generate the response.
Response
Supported
Notes
100 Trying
Yes
180 Ringing
Yes
181 Call Is Being Forwarded
No
182 Queued
No
183 Session Progress
Yes
Response
Supported
Notes
200 OK
Yes
202 Accepted
Yes
In REFER transfer.