Polycom® RMX 1800 Administrator’s Guide
A-4 Polycom, Inc.
SIP client error 407 The endpoint sent a SIP Client Error 407 (Proxy
Authentication Required) response.
The client must first authenticate itself with the proxy.
SIP client error 409 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.
SIP client error 411 The endpoint sent a SIP Client Error 411 (Length
Required) response.
The server refuses to accept the request without a
defined Content Length.
SIP client error 413 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.
SIP client error 414 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.
SIP client error 420 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.
SIP client error 481 The endpoint sent a SIP Client Error 481 (Call/
Transaction Does Not Exist) response.
SIP client error 482 The endpoint sent a SIP Client Error 482 (Loop
Detected) response.
SIP client error 483 The endpoint sent a SIP Client Error 483 (Too Many
Hops) response.
SIP client error 484 The endpoint sent a SIP Client Error 484 (Address
Incomplete) response.
The server received a request with a To address or
Request-URI that was incomplete.
SIP client error 485 The endpoint sent a SIP Client Error 485 (Ambiguous)
response.
The address provided in the request (Request-URI) was
ambiguous.
SIP client error 488 The endpoint sent a SIP Client Error 488 (Not
Acceptable Here) response.
Table A-1 Call Disconnection Causes (Continued)
Disconnection Cause Description