Instruction Manual

642N 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
unavailable
19 No answer from user 480
Temporarily
unavailable
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