gxw410x

  1. Solved 3cx keeps sending PCMU to Grandstream GXW4104

    Hello, We have provisioned a Grandstream GXW4104 to our 3cx running Professional Annual 16.0.8.9. The customer complains that they have no outgoing audio in outbound calls, while inbound calls work with 2 way audio. I noticed that 3cx keeps sending PCMU to the GXW4104, instead of PCMA which has...
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