I am having a problem with SendDTMF() - 50% of time it did not succeed. I suspect it is not sending clear DTMF tones to the IVR.
For example: SendDTMF(wwwww3wwwww2wwwwww1wwwww4) Sometime digit 3 and 2 work, and failed to do digit 1. Sometime digit 3 work and failed to do number 2. Sometime all went through fine. dtmfmode=rfc2833 are set in the sip.conf file How do I debug to see what went wrong and how to fix? Asterisk 1.8.12.0 Installed on VPS (XEN, CentOS 5.x, 768 MB Ram, 1000 GB B/W - Located in UK) VOIP Provider in UK. Thanks
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