Polycom SIP 3.1 manual Response Support, 1xx Responses - Provisional, 2xx Responses - Success

Models: SIP 3.1

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Response Support

Administrator’s Guide SoundPoint IP / SoundStation IP

Header

Supported

Notes

 

 

 

Subject

No

 

 

 

 

Subscription-State

Yes

 

 

 

 

Supported

Yes

 

 

 

 

Timestamp

No

 

 

 

 

To

Yes

 

 

 

 

Unsupported

No

 

 

 

 

User-Agent

Yes

 

 

 

 

Via

Yes

 

 

 

 

Warning

Yes

Only warning codes 300 to 399

 

 

 

WWW-Authenticate

Yes

 

 

 

 

Response Support

The following SIP responses are supported:

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.

 

 

 

 

 

 

 

1xx Responses - Provisional

 

 

 

 

 

 

 

 

 

 

Response

 

Supported

Notes

 

 

 

 

 

 

 

 

100

Trying

 

Yes

 

 

 

 

 

 

 

 

 

180

Ringing

 

Yes

 

 

 

 

 

 

 

 

 

181

Call Is Being Forwarded

No

 

 

 

 

 

 

 

 

182 Queued

 

No

 

 

 

 

 

 

 

 

 

183

Session Progress

Yes

 

 

 

 

 

 

 

 

2xx Responses - Success

 

 

 

 

 

 

 

 

 

 

Response

Supported

 

Notes

 

 

 

 

 

 

 

 

200 OK

Yes

 

 

 

 

 

 

 

 

 

202 Accepted

Yes

 

In REFER transfer.

 

 

 

 

 

 

 

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Polycom SIP 3.1 manual Response Support, 1xx Responses - Provisional, 2xx Responses - Success