I have a customer with an Avaya IP Office Server Edition 11.0 with Telnyx SIP trunks having issues passing DTMF tones. Some numbers work fine every time, some numbers you have to press the key twice for the tone to transmit to the far end, and some don't pass DTMF tones at all. The System was...
Working with an IP Office 500 at 4.2.14, and having a problem with a straight T1. Verified with the carrier the circuit is an E & M Tie, D4, AMI, wink wink. Yeah that old. Any time an outbound call off the circuit is made the circuit completes the call and stays up for 1-15 secs then crashes...
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