Exactly.....that's why I suspect an in-band DTMF setting.
Voipo prefers to set their ATA's to out-of-band unless you have a reason to ask support to change it. Since you have a new ATA, it's possible the DTMF setting was not properly set to out-of-band when it was configured or provisioned. If support says it correct, you may have another underlying problem.
Check out post #4 from Tim in this thread:
http://forums.voipo.com/showthread.p...highlight=dtmf
If you call Voipo's voicemail remote number 832-838-7000 using your Voipo line (not your POTS line) and your DTMF works, but it doesn't work by calling 123 then an in-band setting is likely the culprit.
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