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external extention with VPN

Discussion in '3CX Phone System - General' started by prawira, Apr 12, 2009.

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  1. prawira

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    Hi there,

    We have client located in the small island with distance about 150KM away from our office at mainland. The internet connection used is broadband with VSAT; the ping delay from our office about 600-700ms. Main router used is Mikrotik with PPTP (VPN) to our office.

    From here (my office), I can connect to this client server thru PPTP VPN into their Mikrotik. I can do everything; such as file transfer, remote maintenance, etc.

    when I using 3cx voip phone software... I can connect into the server on site, ring the extention, BUT I can not hear the voice from that site.

    Any clue please ?

    Paul
     
  2. Discovery Technology

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    try using the 3CX Server IP address as your outbound proxy on the client side - it sounds as though your client is having trouble sending/routing outbound audio.
     
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  3. prawira

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    The server located at the island... I am at the mainland act as remote extention with 3CX Voip Phone software.

    On the connection configuration, I put server ip address at the island next to 'I am in the office - local IP'.

    the broadband bandwidth allocated for this client on the island is UP TO 64k/384K, and they can do skype call with video.

    Paul
     
  4. Discovery Technology

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    Sounds like all the right settings - I tried this myself with our own system and can confirm that two-way audio works when connected via PPTP VPN. In my instance, this was a PPTP VPN directly from the PC with the 3CX VoIP phone.

    I ran a ping test to the server before I connected my voip phone - can you successfully ping the server? Maybe the Mikrotik VPN isn't routing properly to the other network.
     
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  5. prawira

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    If the mikrotik having problem for routing, I will not be able to see them and send file to the remote server as well.
    I can ping them now... only 1 or 2 RTO for about 20 pings

    I try to call remote voice mail... I got dial tone but can not hear the greeting.

    Paul
     
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