3.9.5.4 Handling 605 Response
Any destination to which the call is forked can send a 605 Decline All response back to the server. [IETFDRAFT-SF-605-01] specifies how this response is handled.
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Any destination to which the call is forked can send a 605 Decline All response back to the server. [IETFDRAFT-SF-605-01] specifies how this response is handled.