DTMF Change with 17.04?

[Jim Gill]

For nearly a year now I have been struggling to get a Fire Alarm Signalling (Edwards FX) box  to communicate through Sipxcom to a Central Dispatch via DTMF.   I have been converting the analog signal from the Edwards box with a Cisco SPA 112.   I can get a fax machine to work with the SPA 112 so naively I thought this would be easy.  Central Dispatch receives the call but can not decode the DTMF tones being sent (they say they are receiving a bunch of garble)

The short story is that since I upgraded to 17.04, Central Dispatch can now decode my signal.   Has anything with DTMF or codecs changed?   I'm happy that it is working - just trying to figure out how.

Thanks!

Jim

[Michael Picher]

Not aware of any changes with respect to that Jim... It would have had to change in the Cisco SPA 112... or at your service provider.

Mike

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Thanks,

   Mike

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There are 10 types of people in this world...  Those who understand binary and those who don't.

[Jim Gill]

I suspect the service provider.  They wanted a POTS line because according to them my system is too clear and the needed some distortion to make it work.   I refused to go that route since the nearest Pots conection is 3/4 of a mile away. Thanks Mike

Sent from my Verizon, Samsung Galaxy smartphone

[Michael Picher]

I suspect you are right :-)

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