Softswitch will send CANCEL to User B and 480 or 408 to UserA for
terminating the call.

On Wed, Jul 21, 2010 at 3:46 PM, Md Faruk Apel Chowdhury <
[email protected]> wrote:

> Appreciate if anybody could explain the following scenario with RFC
>
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> User A sends INVITE to B, continuous ring is going to B. B does not answer.
> In that case who will send message to  terminate the call.
>
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> In my testing, B (UAC)is sending 500 and call is getting terminated. Is it
> Ok as per RFC. Or Softswitch(UAS) must send cancel to terminate the call.
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> regards
>
>
>
>
>
> Faruk
>
> UAE.
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>
> [cid:[email protected]]
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