4xx Response Send Receive Comments
responses, the default handling is used.
See Default error handling on page 233.
482 Loop detected Yes Yes
Default handling is used when this
response is received. See Default error
handling on page 233.
483 Too Many Hops No Yes See Default error handling on page 233.
484 Address Incomplete No Yes See Default error handling on page 233.
485 Ambiguous No Yes
See Default error handling on page 233.
The IP Deskphone does not attempt to
retry the request.
486 Busy Here Yes Yes
The IP Deskphone can respond with this
if the user is on the IP Deskphone, and
the IP Deskphone has reached its
maximum number of allowed calls and
cannot present the incoming call to the
user. When this message is received by
the IP Deskphone an error is displayed
and a busy tone is played.
487 Request Canceled Yes Yes See default handling.
488 Not Acceptable Yes Yes
The response is used by the
IP Deskphone when a failed media
negotiation occurs.
491 Request Pending Yes Yes
The IP Deskphone sends and receive
this message in GLARE conditions.
5xx Response—Server failure responses
5xx Response Send Receive Comments
500 Internal Server Error Yes Yes
The IP Deskphone can send this
response when a request is received but
the IP Deskphone software is not in a
correct state to handle it. When receiving
this message, the IP Deskphone displays
an error for the user.
501 Not Implemented No Yes See Default error handling on page 233.
502 Bad Gateway No Yes See Default error handling on page 233.
503 Service Unavailable Yes Yes
504 Gateway timeout No Yes See Default error handling on page 233.
505 Version Not
Supported
Yes Yes
SIP messages supported by the IP Deskphone
232 SIP Software for Avaya 1200 Series IP Deskphones-Administration March 2015
Comments? infodev@avaya.com
To Next Page
Loading...
