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DTMF tones to SIP provider

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RINGINnBLINGIN

Programmer
Dec 21, 2012
173
US
We have two different systems that use the same service provider, same ipo version, ect. Endpoint is a communicator

When sending a dtmf tone with one, the ipo sends an INFO packet. The service provider rejects this as unsupported media type.

The other solution sends an OPTIONS packet. This works.

There is no difference between these systems, one is actually a test bed for the other.

Any thoughts on what could be causing this?
 
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