Yealink SIP-T2xP Administrator's Manual page 455

Sip-t2xp series

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Subscription-State

The following SIP responses are supported:

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 Response—Information Responses

1xx Response

181 Call Is Being Forwarded

183 Session Progress

2xx Response—Successful Responses

2xx Response

202 Accepted

3xx Response—Redirection Responses

3xx Response

300 Multiple Choices

301 Moved Permanently

302 Moved Temporarily

In REFER transfer.

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