AudioCodes MediaPack MP-40 series, User Manual

Page: 178 / 180

MediaPack BRI Series
User's Manual 178 Document #: LTRT-83702
Table D-1: Mapping of ISDN Release Reason to SIP Response
(continues on pages 177 to 178)
ISDN
Release
Reason
Description
SIP
Response
Description
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
97
Message type non-existent or not
implemented
480 * Temporarily not available
98
Message not compatible with call state or
message type non-existent or not
implemented
409 * Conflict
99
Information element non-existent or not
implemented
480 *
Not found
100
Invalid information elements contents
501 *
Not implemented
101 Message not compatible with call state 503 * Service unavailable
102
Recovery of timer expiry
408
Request timeout
111
Protocol error
500
Server internal error
127 Interworking unspecified 500 Server internal error