SIP responses
The following SIP responses are also supported:
• 1xx Response—Information Responses
• 2xx Responses—Successful Responses
• 3xx Response—Request Failure Responses
• 4xx Response—Server Failure Responses
• 6xx Response—Global Responses
1xx Response—Information Responses
1xx Response Send Receive Comments
100 Trying Yes Yes
The IP Deskphone can generate this
response for an incoming INVITE if it has
taken too long to generate a 180
response. Upon receiving this response,
the IP Deskphone waits for a 180
Ringing, 183 Session Progress, or 200
OK responses.
180 Ringing Yes Yes
The IP Deskphone begins local ringing
through the active transducer.
181 Call is being
forwarded
No Yes See 183.
182 Queued No Yes See 183.
183 Session progress No Yes
The IP Deskphone accepts a 183
response with SDP to allow for early-
media negotiation.
2xx Response—Successful responses
2xx Response Send Receive Comments
200 OK Yes Yes
202 Accepted Yes Yes
SIP responses
March 2015 SIP Software for Avaya 1200 Series IP Deskphones-Administration 229
Comments? infodev@avaya.com
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