Appendix A - Disconnection Causes
Polycom®, Inc. 893
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.
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.
Call Disconnection Causes
Disconnection Cause Description