[cisco-voip] Post-Hangup Ringing (SIP)

[Patrick Diener]

could you post the exchanged SIP messages?

Regards
Patrick


On 3/27/07, John Lyon <jrlyon at gmail.com> wrote:
> Hi all, this one comes from the "I have no clue" department.  Heres the
> scenerio:
>
> Phone A (off-net) dials phone B (provisioned into BTS 10200).  Phone B rings
> and phone A gets ringback.  Phone A hangs up before phone B answers.  Phone
> B keeps ringing and ringing after phone A drops the call.
>
> On the SIP side, a CANCEL message is sent to the BTS when phone A hangs up,
> and the BTS responds almost immediately with a "481 Call Leg/Transaction
> Does Not Exist."  The call ID and CSeq all line up throughout the call.  Any
> ideas why the response from the BTS is a 481?
>
> Thanks,
> John
>
>
>
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