[Freeswitch-users] a=fmtp:101 0-15

Michael Jerris mike at jerris.com
Mon Apr 10 21:44:45 MSD 2017

Its currently hardcoded in our code.  Would require a new option to let you set that.  That being said, this is a negotiated setting, us sending 0-16 shouldn’t cause anything to fail.  If its failing the call because of that, that seems to me to be a problem they should correct on their switch.  Its really strange to see this required on the sending side.

> On Apr 10, 2017, at 1:34 PM, Bilal Dar <bilal at rgate-systems.com> wrote:
> We are having issues sending out DTMF, primarily when dial any conference bridge.
> My provider asked me to send  'a=fmtp:101 0-15' instead of 'a=fmtp:101 0-16'. They do not accept flash.
> Appreciate if anyone can let me know how we can fix that.
> Thanks
> Bilal

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