Re: [Asterisk-Users] grandstream sip phone calling Zap/1 on TDM20B rings and answers but not hear voice

[timebandit001]

Could you give us the output of the console when you try the call ?

That would help us to point you in the right direction.
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[Asterisk-Users] grandstream sip phone calling Zap/1 on TDM20B rings and answers but not hear voice

[Jerry Geis]

I have a grandstream 101 that is calling an extension on Zap/1 of a TDM20B.
The grandstream 101 can call another grandstream 101 at a different 
extension- that works fine.
The two phones on TDM 20B can call each other.- no problem.When I call 
the TDM20B Zap/1
from the grandstream phone it rings - I answer and I dont hear any voice.

for the grandstream I have tried allow=all for the codes but made no 
difference.

Any ideas on what I am missing?
Thanks,
Jerry
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