[asterisk-users] twice normal beep before busy tone ??
Stefan Guenther
asterisk02 at in-put.de
Thu Nov 6 12:13:36 CST 2008
Eric wrote:
>It sounds like you have analog lines. If that is the case, the silence
>you experience is Asterisk sending the DTMF down the line. Asterisk
>collects the DTMF and when you are done dialing it retransmits those
>digits down the analog line. I think each digit is by default 300ms.
>If you are dialing 10 digits you have a delay of 3.3 seconds while
>Asterisk is sending the DTMF. None of the VoIP protocols have his
>issue. ISDN PRI or BRI also does not have this issue.
>
GREAT! Our client has 4 ISDN lines and we are using a DIALOGIC 4Port
BRI. But the exchange point (don't know how to translate
"Vermittlungsstelle) of the German Telecom is nearly 5 KM away. Maybe
this distance causes the trouble?
Stefan
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