Polycom RMX 2000 Administrator's Manual page 225

Table A-1 Audio Disconnection Cause (Continued)
Cause Message
SIP transport error
SIP unauthorized
SIP unsupported media
type
Polycom RMX 2000 Administrator's Guide
Description
Unable to initiate connection with the endpoint.
The request requires user authentication.
The server is refusing to service the request
because the message body of the request is in a
format not supported by the requested resource
for the requested method.
A-9