Polycom RMX 1500 Administrator's Manual page 853

Table A-1 Call Disconnection Causes (Continued)
Disconnection Cause
SIP client error 406
SIP client error 407
SIP client error 409
SIP client error 411
SIP client error 413
SIP client error 414
SIP client error 420
Polycom RMX 1500/2000/4000 Administrator's Guide
Description
The endpoint sent a SIP Client Error 406 (Not
Acceptable) resources.
The remote endpoint cannot accept the call
because it does not have the necessary
responses. The resource identified by the
request is only capable of generating response
entities that have content characteristics not
acceptable according to the Accept header field
sent in the request.
The endpoint sent a SIP Client Error 407 (Proxy
Authentication Required) response.
The client must first authenticate itself with the
proxy.
The endpoint sent a SIP Client Error 409
(Conflict) response.
The request could not be completed due to a
conflict with the current state of the resource.
The endpoint sent a SIP Client Error 411 (Length
Required) response.
The server refuses to accept the request without
a defined Content Length.
The endpoint sent a SIP Client Error 413
(Request Entity Too Large) response.
The server is refusing to process a request
because the request entity is larger than the
server is willing or able to process.
The endpoint sent a SIP Client Error 414
(Request-URI Too Long) response.
The server is refusing to service the request
because the Request-URI is longer than the
server is willing to interpret.
The endpoint sent a SIP Client Error 420 (Bad
Extension) response.
The server did not understand the protocol
extension specified in a Require header field.
A-5