Hi John,
You didn't say what kind of cellular system. If its an AMPS system (I don't think any other analogue cellular stiff exists) DTMF is quite troublesome. If it is a digital network the DTMF actually comes from the basestation, rather than the phone. Its is normally very high quality. However, its timing is nothing like the timing of the button pushes on the handset. The basestation stretches the digits to rather long ones. Possibly as much as a second each.
Regards, Steve
John Fullington wrote:
I set up a monitoring system that calls my techs when a problem occurs on one of our networks, everything works fine unless asterisk calls a cell phone in which case the tech can not respond using dtmf. It works fine if the tech call in but not if asterisk call a tech's cell phone. Anyone one have any suggestions?
Thanks
John Fullington
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