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  1. Solved Grandstream GXW-4104 Audio issue

    It was the Broadcom NIC. I issued the powershell command listed in the Microsoft article and the problem went away. Boy, i tried every codex listed in the Grandstream Gateway with no help. I did find one setting that helped some. It was in the Grandstream web interface. Settings...Call...
  2. Solved Grandstream GXW-4104 Audio issue

    Hi, I have a Grandstream GXW-4104 connected to 4 POTS lines. I created a gateway per the 3CX article "Configuring Grandstream FXO VoIP Gateway" (https://www.3cx.com/voip-gateways/grandstream-fxo/) My firmware is 1.4.1.5. I ran all the AC Impedance Tests in the GXW-4104. The...
  3. Solved Grandstream GXP2200EXT with GXP2170

    Worked like a charm. Thank you very much! Is this documented somewhere?
  4. Solved Grandstream GXP2200EXT with GXP2170

    FYI... GXP2170 fw 1.0.9.102 3CX ver 15.5.0
  5. Solved Grandstream GXP2200EXT with GXP2170

    Hi, I'm trying to setup a GXP2170 with an attached GXP2200EXT. I can not find any configuration for the 2200EXT within the 3CX Mgmt Console. I can go into the Phone UI (phone web interface) and program the keys on the 2200EXT, but when the phone is reprovisioned all of the settings are wiped...
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