Cisco 8800 Series Manual page 57

Cisco IP Phone Provisioning
HTTP Status Code
400 Bad Request
401 Unauthorized
403 Forbidden
404 Not Found
407 Proxy
Authentication
Required
4xx
500 Internal Server
Error
501 Not Implemented
502 Bad Gateway
503 Service
Unavailable
504 Gateway Timeout
5xx
Description
The request cannot be fulfilled due to bad
syntax.
Basic or digest access authentication
challenge.
Server refuses to respond.
Requested resource not found. Subsequent
requests by client are permissible.
Basic or digest access authentication
challenge.
Other client error status codes are not
processed.
Generic error message.
The server does not recognize the request
method, or it lacks the ability to fulfill the
request.
The server is acting as a gateway or proxy
and receives an invalid response from the
upstream server.
The server is currently unavailable
(overloaded or down for maintenance). This
is a temporary state.
The server behaves as a gateway or proxy and
does not receive timely response from the
upstream server.
Other server error
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
HTTP Status Code Handling on Resync and Upgrade
Phone Behavior
C
Immediately retry request with
authentication credentials.
Maximum 2 retries. Upon failure,
the phone behavior is C.
C
B
Immediately retry request with
authentication credentials.
Maximum two retries. Upon failure,
the phone behavior is C.
C
Phone behavior is C.
Phone behavior is C.
Phone behavior is C.
Phone behavior is C.
C
C
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