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One sided audio after hold / resume


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Strange problem from one of our customers -


1. Call comes direct into extension.

2. Person can hold / resume fine - no probs.


1. Call comes into hunt group, gets answered by receptionist.

2. Transfers (attended) to another person.

3. Caller gets put on hold and resumed.

4. Caller can hear speaker, but person on PBX can't hear external call - it's just totally dead.


I have the full PBX logs... but they're rather lengthy! I'll post them once I've gone through them to see what's happening, but if anyone has any ideas or knows of this already....?


PBX version is, polycom phones all on 2.2.0.



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