4Xx Response--Request Failure Responses - Nortel 1120E Administration Manual

112 SIP messages supported by the IP Phone 1120E

4xx Response--Request failure responses

4xx Response
400 Bad request
401 Unauthorized
402 Payment required
403 Forbidden
404 Not found
405 Method not
allowed
406 Not acceptable
407 Proxy
authentication required
408 Request timeout
410 Gone
Copyright © 2008, Nortel Networks
.
Receive
Send
Yes Yes
No Yes
No Yes
No Yes
Yes Yes
Yes Yes
Yes Yes
No Yes
No Yes
No Yes
SIP Firmware Release 1.1 for IP Phone 1120E Administration
NN43112-300 02.03 Standard
Comments
The IP Phone 1120E generates a 400
Bad Request response for various
failure conditions generally when a
request is invalid, and a more specific
error response does not apply.
Receiving a 401 response results
in the IP Phone 1120E re-issuing
the request using HTTP digest
authentication.
See default handling.
See default handling.
The IP Phone 1120E generates this
response for requests to unknown
users. Receiving this response falls
through to the default handling.
The IP Phone 1120E sends this
response to a known method if it is
received at a time when the IP Phone
1120E is not prepared to handle or
the request is missing necessary
information. Receiving this response
falls through to the default handling.
The IP Phone 1120E can send this
response when receiving a REFER
request which has an unsupported
URI. Receiving this response falls
through to the default handling.
See 401.
See default handling.
See default handling.
27 May 2008