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Appendix
835
Method
Supported
Notes
RSeq
Yes
Session-Expires
Yes
Subscription-State
Yes
Supported
Yes
To
Yes
User-Agent
Yes
Via
Yes
The following SIP responses are supported:
Note
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
202 Accepted
Yes
In REFER transfer.
3xx Response—Redirection Responses
3xx Response
Supported
Notes
300 Multiple Choices
Yes
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.
Summary of Contents for Yealink SIP-T42G
Page 1: ......
Page 12: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones xii ...
Page 20: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones xx ...
Page 41: ...Getting Started 21 For SIP T46G Desk Mount Method Wall Mount Method Optional ...
Page 43: ...Getting Started 23 For SIP T29G T27P Desk Mount Method Wall Mount Method Optional ...
Page 45: ...Getting Started 25 For SIP T21 P E2 Desk Mount Method Wall Mount Method Optional ...
Page 678: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 658 ...