Problem with firewall dlink dfl200

Discussion in '3CX Phone System - General' started by coal, Mar 18, 2008.

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  1. coal

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    Hi everyone,
    I have setting up 3cx Phone system in my office succesfully.
    I am able to make and receive call when i am in office and when i am out of the office (using a nokia e65 conneced to wifi).
    I am not able to make /receive calls when i am on a network with the dfl 200 firewall (all my customer have this device).
    I have tried to change the policy, i have tried to open all port ...etc , but not working.

    Any suggestion is welcome.
     
  2. h2009

    h2009 Member

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    Any chance you can get your firewall log- that should tell us what happening.

    Also when you say you've configured all your ports -which ones have you done (see if you've missed any). Also have you done it correctly for TCP/UDP?

    What happens when you try and use the firewall tester within 3CX - what results do you get? (please also provide the 3CX log as that can see us whats happening)
    Can you make internal calls?
     
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  3. coal

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    The PBX is not firewalled. When I run the firewall test it is all ok.

    All calls internal/internal and internal/external work fine when I'm in office and when I'm out of office on a network without the firewall.

    I'm tried to open all port TDC/UDP 1000-65000; I'm tried a port forwarding to my ip-phone without success.
    I have spend about 2 month in research for this problem without success. :cry:
     
  4. 5qg4

    5qg4 Active Member

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    May be the STUN issue.
    Please check the firmware version of E65 in use. The lastest firmware has built in STUN and ironed out alot of the early problems.
     
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