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Hi,

I am facing a issue when i try to make DID call back when i recived callback then IVR is asking me to enter the PIN number but when i enter the PIN number IVR Playing "your card number has been enterd" due to this i am unable to make callback. I know this is a DTMF issue i make several changes in my sip.conf file i make dtmfmode = inband only 2-3 time callback is sucessfully done then again i am geeting the same issue.

Please guys help me to resolve this issue bacause i am really fedup.

Thanks in advance.

Regards
Aryan Singh