On 07/06/07, Stephen Bosch <[EMAIL PROTECTED]> wrote:
Gavin Henry wrote:
> Dear all,
>
> We seem to be getting phantom calls when a inbound caller via the
> legacy pbx hangups before
> the SIP handsets have answered. The extensions also seem to hear
> ringing on the lines too sometimes.
>
> SIP Inbound >----
> |
> legacy pbx (analogue) <-> (sangoma a400d) asterisk <-> SIP phones
>
> Basically if a user hangups before the call has bridged, I think.
>
> Is there anything we can do about this?
Yet another "call progress detection" issue.
Ah, sorry. I didn't know the right terms to search for beforehand.
Analog lines are problematic this way. Search the archives for "call
progress detection" or "disconnect supervision".
Many thanks.
-Stephen-
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