analog to sip

  1. Grandstream Gxw 4104

    I am posting this as I have ran into a few issues and these are things I have found that help. 1. Always statically assign the Grandstream 2. Go to (IP Blacklist) and whitelist the Static IP - Sometimes the 3cx will block the IP 3. Make sure the customer does not have port 5060 blocked...
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