Call Logs Response Codes
402 - Payment Required
Destination side does not allow call due to no available balance.
Internal SubCustomer or Customer balance too low.
403 - Forbidden
Destination side understands the request, but is refusing to fulfill it.
Internal DID service time has expired.
404 - Not Found
Destination side has the information that the user does not exist at the domain specified in the Request-URI. This status is also returned if the domain in the Request-URI does not match any of the domains handled by the recipient of the request.
408 - SIP transaction timeout or Request Timeout
Destination side can not produce a response within a specific period of time or there is no response from destination.
410 - Gone
Destination number is not available any more.
480 - Temporarily Unavailable
Destination currently unavailable.
Internal dedicated/flexible overloaded.
486 - Busy Here
Destination is busy.
487 - Request terminated (Cancel)
Origination/Destination side has canceled call request.
500 - Server cannot fulfill the request due to unexpected condition
503 - Service Unavailable
Destination side is not available and cannot process the request.
504 - Server Time-out
Destination side has attempted to process the request and has not received a prompt response.
603 - Decline
Destination is refusing to answer the call.
604 - Does Not Exist Anywhere
Destination side has the information that the requested user does not exist.