Appendix A: Disconnection Causes
A-14
SIP Failure (cont.) SIP global failure 603 A SIP Global Failure
603 (Decline) response
was returned.
The participant's
endpoint was
successfully contacted,
but the participant
explicitly does not wish
to or cannot participate.
SIP global failure 604 A SIP Global Failure
604 (Does Not Exist
Anywhere) response
was returned.
The server has
authoritative information
that the user indicated
in the Request-URI
does not exist
anywhere.
SIP global failure 606 A SIP Global Failure
606 (Not Acceptable)
response was returned.
SIP gone The requested resource
is no longer available at
the Server and no
forwarding address is
known.
SIP moved permanently The endpoint moved
permanently. The user
can no longer be found
at the address in the
Request-URI.
SIP moved temporarily The remote endpoint
moved temporarily.
Table A-1: Primary Disconnection Reasons (Continued)
Category Cause Message Description