DTMF on PRI

DTMF on PRI

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Subject Author Date
DTMF on PRI justzikle 09-09-2007
Posted by justzikle on September 9, 2007, 3:36 am
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Hi all, i have to setup some specific dialout setup only with ISDN
PRI. I need to dial my one PRI on DTMF (Digit by digit) rather sending
out whole number as message, Can somebody did that ? or guide me how
to do that?
PBX is Nortel CS1000, Rls 4.00 with 2 PRI`s.


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Posted by Bill on September 9, 2007, 8:08 pm
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> Hi all, i have to setup some specific dialout setup only with ISDN
> PRI. I need to dial my one PRI on DTMF (Digit by digit) rather sending
> out whole number as message, Can somebody did that ? or guide me how
> to do that?
> PBX is Nortel CS1000, Rls 4.00 with 2 PRI`s.

Then it's not a PRI. There are applications where DTMF is sent after a call
is set up using the D-Channel - individual user id's, or through dialing on
a menu - but the destination address of the call is ALWAYS set up via out of
band signaling - D-Channel - on a PRI. If you want to set the call up with
DTMF and A-B signaling, you need to program the DTI as non-ISDN.



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PRI tie lines and DTMF distortion April 20, 2006, 10:36 pm

other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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