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firewall checker

Discussion in '3CX Phone System - General' started by teh_spartan, Nov 9, 2010.

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  1. teh_spartan

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    every time i use the firewall checker it fails at phase 2a checking udp sip port 5060 but my phones connect and place calls fine. the problem i am having is no audio through remote sip phones. but unlike my other problems in the past. my server is now working much better works 100% on internal network after i got an extra 1GB of ram.
     
  2. leejor

    leejor Well-Known Member

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    You don't say what make/model router you are using , or any additional firewall. You are sure that you have all of the necessary ports forwarded? What type of calls are "fine", external? Through a gateway of VoIP provider?

    Which end has no audio? Are you using STUN on the remote extensions?
     
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