Welltech WG5290 - Manual (Page 136)

Welltech Computer Co., Ltd.
WellGate 5290 User Guide – V6.1 - 136 -
SIP to PSTN Cause Code Mapping
IP Event Description
PSTN Cause
Code
404 Not found No route to destination 3
486 User here User busy 17
18
480 Temporarily
unavailable
No user response
20
403 Forbidden Call Rejected 21
410 Gone Number changed 22
404 Not found Unallocated number 3
484 Address
incomplete
Address incomplete 28
501 Not
implemented
Service or option not implemented 79
404 Not found Unallocated number 3
503 Service
unavailable
Service or option unavailable 63
403 Forbidden Bearer Capability not authorized 21
403 Forbidden Service or option not implemented 79
501 Not
implemented
Service or option not implemented 79
400 Bad request Inter-working, unspecified 95
408 Request timeout Recovery on Expires timeout 102
400 Bad request Protocol error 111
500 Internal server
error
Any code other than those listed above: 127