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456
V7122 GatewayUser Guide
ISDN Release
Reason
Description
SIP
Response
Description
41
Temporary failure
503
Service unavailable
42
Switching equipment congestion
503
Service unavailable
43 Access
information
discarded 502
*
Bad
gateway
44
Requested channel not available
503
*
Service
unavailable
47
Resource unavailable
503
Service unavailable
49 QoS
unavailable
503
*
Service
unavailable
50
Facility not subscribed
503
*
Service
unavailable
55
Incoming calls barred within CUG
403
Forbidden
57
Bearer capability not authorized
403
Forbidden
58
Bearer capability not presently available
503
Service unavailable
63
Service/option not available
503
*
Service
unavailable
65
Bearer capability not implemented
501
Not implemented
66
Channel type not implemented
480
*
Temporarily
unavailable
69
Requested facility not implemented
503
*
Service
unavailable
70
Only restricted digital information bearer
capability is available
503
*
Service
unavailable
79
Service or option not implemented
501
Not implemented
81
Invalid call reference value
502
*
Bad
gateway
82
Identified channel does not exist
502
*
Bad
gateway
83
Suspended call exists, but this call identity
does not
503
*
Service
unavailable
84
Call identity in use
503
*
Service
unavailable
85
No call suspended
503
*
Service
unavailable
86
Call having the requested call identity has
been cleared
408
*
Request
timeout
87
User not member of CUG
503
Service unavailable
88
Incompatible destination
503
Service unavailable
91
Invalid transit network selection
502
*
Bad
gateway
95 Invalid
message
503
Service
unavailable
96
Mandatory information element is missing
409
*
Conflict
Summary of Contents for VCX V7122
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