Video lasts only 3 seconds.

Discussion in '3CX Phone System - General' started by JChill, Apr 27, 2017.

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  1. JChill

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    Hi,
    In our company we have a 3CX v15 and Grandstream GXV3275 phone with included camera.
    We have a perfect video inside a company.
    When we try to make a video call to external workers with the same phone it last for 3 seconds, then it stop working and it is totally frozen.
    We interface externally through a PFSense firewall, it is properly configured to have a "transparent nat", port are all forwareded, and firewall test is perfect.

    Is there any known uncompability with this phone ? Could you help finding a solution ?

    Regards,
    JChill
     
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