Polycom CX5500

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 353
Note: Reading the Following Tables
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
Supported 1xx SIP Responses
Response
Supported
100 Trying
Yes
180 Ringing
Yes
181 Call Is Being Forwarded
No
182 Queued
No
183 Session Progress
Yes
2xx Responses - Success
Supported 2xx SIP Responses
Response
Supported
Notes
200 OK
Yes
202 Accepted
Yes
In REFER transfer.
3xx Responses - Redirection
Supported 3xx SIP Responses
Response
Supported
300 Multiple Choices
Yes
301 Moved Permanently
Yes