I have CUCM 6.0 and Polycom ip 7000 , It's registered in CUCm and i can call from phone.
But really strange situation with call to IVR, when i call to IVR i hear only silence, after that i hear a IVR prompt, and dial additional number and hear silence again (without telephone beeps) and if user picks up i hear him voice and he hear's me and we can talk each other.
that's actualy only for IVR.
Please, kindly, answer the question.
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The community's VoIP FAQ contains this post here:
Oct 7, 2011 Question: Phone unable to send DTMF to an IVR system or how to troubleshoot DTMF issues
Resolution: Please check => here <=
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Polycom Global Services
I mean additional dial is transfer to user, but without beeps.
For example i call to IVR and dial 1111, after that i hear silence, but if user pick up i hear him and can talk with him