User's Manual
Appendix A-Disconnection Causes
Polycom, Inc. A-3
H323 call closed. Remote sent bad 
capability
There was a problem in the capabilities sent by the 
endpoint.
H323 call closed. Local capability wasn't 
accepted by remote
The endpoint did not accept the capabilities sent by the 
gatekeeper.
H323 failure Internal error occurred.
H323 call closed. Remote stop 
responding
The endpoint stopped responding.
H323 call closed. Master slave problem A People + Content cascading failure occurred.
SIP bad name The conference name is incompatible with SIP 
standards.
SIP bad status A general IP card error occurred.
SIP busy everywhere The participant's endpoints were contacted successfully, 
but the participant is busy and does not wish to take the 
call at this time.
SIP busy here The participant's endpoint was contacted successfully, 
but the participant is currently not willing or able to take 
additional calls.
SIP capabilities don't match The remote device capabilities are not compatible with 
the conference settings.
SIP card rejected channels The IP card could not open the media channels.
SIP client error 400 The endpoint sent a SIP Client Error 400 (Bad Request) 
response. 
The request could not be understood due to malformed 
syntax.
SIP client error 402 The endpoint sent a SIP Client Error 402 (Payment 
Required) response.
SIP client error 405 The endpoint sent a SIP Client Error 405 (Method Not 
Allowed) response.
The method specified in the Request-Line is understood, 
but not allowed for the address identified by the 
Request-URI.
SIP client error 406 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.
Table A-1  Call Disconnection Causes (Continued)
Disconnection Cause Description










