Avaya 1140E User Manual Page 110

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110 SIP messages supported by the IP Phone 1140E
PRACK Yes No support for PRACK-specific early-media negotiation
scenarios
MESSAGE Yes
UPDATE No
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 Phone 1140E 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 Phone 1140E
waits for a 180 Ringing, 183 Session
Progress, or 200 OK responses.
180 Ringing Yes Yes
The IP Phone 1140E 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 Phone 1140E accepts a
183 response with SDP to allow for
early-media negotiation.
SIP Fir mware Release 1.1 for IP Phone 1140E Administration
NN43113-300 02.05 Standard
27 May 2008
Copyright © 2008, Nortel Networks
.
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