Planet Technology VIP-2100 User Manual
Page 127
VIP-2100 User
’s manual
- 122 -
PSTN to SIP Cause Code Mapping
PSTN
Cause
Code
Description
SIP Event
1
Unallocated number
404 Not found
2
No route to specified transit network
404 Not found
3
No route to destination
404 Not found
17
User busy
486 User here
18
No user response
19
No answer from the user
20
Subscriber absent
480 Temporarily
unavailable
21
Call Rejected
403 Forbidden
22
Number changed
410 Gone
26
Non-selected user clearing
404 Not found
27
Destination out of order
404 Not found
28
Address incomplete
484 Address
incomplete
29
Facility rejected
501 Not
implemented
31
Normal, unspecified
404 Not found
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
47
Resource unavailable
503 Service
unavailable
55
Incoming calls barred within Closed User
Group(CUG)
403 Forbidden
58
Bearer capability not presently available
403 Forbidden
65
Bearer capability not implemented
501 Not
implemented
79
Service or option not implemented
501 Not
implemented
87
User not member of Closed User Group
(CUG)
503 Service
Unavailable
88
Incompatible destination
400 Bad request
95
Invalid message
400 Bad request
102
Recovery on Expires timeout
408 Request
timeout
111
Protocol error
400 Bad request
Any code other than those listed above:
500 Internal server
error