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  1. Can't fix SPA3102 echo - anybody know of a better box?

    Peter, I see where you're at. My TX and RX gain values are set to 3 and -2 respectively. It works well on Grandstream GPX 2000 IP phones but when I used the new Polycom IP 4000, the sound quality is very poor. Lots of clipping noise and un-acceptable voice quality. I am in the process of...
  2. Can't fix SPA3102 echo - anybody know of a better box?

    Peter, You need to find somewhere in your gateway configuration, the settings to adjust RX and TX gain to and from PSTN. The settings usually range from -12 to 12. Start with 0 0 and go from there. -Allan-
  3. Calls dropped after aprox 30 sec

    Indeed, the cause of dropped calls was Firewall (Gateway) issue. I have 3cx installed on a server that has two nic cards. One nic is connected to the internal network, and the other connected to the internet. I have the GXW-4108 installed on the internal network. To eliminate hops between...
  4. Calls dropped after aprox 30 sec

    Is there a solution to this "DROPPED CALLS ISSUE?"
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