Quote:
Originally Posted by Tranworld
Could it be that the VSP has blocked DTMF on incoming calls, which is the Voxalot to mobile phone leg? I know that Starhub (the VSP provider in this case) was known to implement such blockage in their previous VoIP system
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Possibly. Another idea for a test is to call the Voxalot voicemail as one of the legs just to check that DTMF is working within the callback.