Manual
652N TELEKOMUNIKACE a.s., www.2n.cz
®
Conversion table:
ISDN cause
value
Description
SIP
code
Description
1 Unallocated number 410 Gone
3 No route to destination 404 Not found
6 Channel unacceptable 503 Service unavailable
16 Normal call clearing BYE
17 User busy 486 Busy here
18 No user responding 480
Temporarily
unavail.
19 No answer from user 480
Temporarily
unavail.
21 Call rejected 603 Decline
22 Number changed 410 Gone
27 Destination out of order 404 Not found
28 Address incomplete 484 Address incomplete
29 Facility rejected 501 Not implemented
31 Normal, unspecified BYE
34 No circuit available 503 Service unavailable
38 Network out of order 503 Service unavailable
41 Temporary failure 503 Service unavailable
42 Switching equipment congestion 503 Service unavailable
44 Requested facility not subscribed 503 Service unavailable
47 Resource unavailable 503 Service unavailable
50 Requested facility not subscribed 503 Service unavailable
55 Incoming class barred within CVG 603 Decline
57 Bearer capability not authorised 501 Not implemented
58
Bearer cap, unavailable at
present
503 Not implemented
63 Service or option unavailable 501 Service unavailable
65 Bearer cap, not implemented 501 Not implemented
79
Service or option not
implemented
501 Not implemented
87 User not member of CVG 603 Decline
88 Incompatible destination 400 Bad request
98 Invalid message 400 Bad request
102 Recover on timer expiry 408 Request timeout
XXX
The other received CAU from
netw.
500
Internal server
error