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ATA 186(h323) behind NAT

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  • #27933 Reply

    I´m trying to make work and ata 186 using H323 protocol behind a NAT, do anyone know what ports I neet to forward?? or put the ATA on the DMz??

    thanks for the help tips!!

    #27934 Reply

    I’m using SIP rather than H323 but I’ve had the best luck putting the device in the DMZ. The host company I’m using recently installed a Kagoor server for NAT traversal. Awesome!

    #27935 Reply

    Is not the same, we just did a test passing a SIP call trought three concatinated routers, and the call goes trought like a champ, without any change on the routers.

    On the other hand, with H323, it is a miracle to make calls from behind one NAT.

    I use only H323 so far, but I am impressed with SIP.

    #27936 Reply

    Thanks, but there´s must be a solution to transverse NAT for an ATA usign H323?

    #27937 Reply

    There is solution if you have control (or friends) on both ends of the service.

    You could try to close the information loop by forwardind the used portds on the ATA from the WAN I.P. to the internal I.P. behind the router.
    Only works with the first ATA behind the router.
    If you have control of both ends, you could get it working with around $120.00 dollars for good.
    Just get a couple of VPN routers and presto.

Viewing 5 posts - 1 through 5 (of 5 total)
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