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Thread: Voip to Voip different providers

  1. #1
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    Default Voip to Voip different providers

    Can a call be placed directly to the ATA without dialing the voip number? I was thinking since ATA has an IP address, one should be able to call it directly without dialing the voip number and incur a charge when dialing a different provider.



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    Senior Member mborkp's Avatar
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    Hi,
    yes, I do this all the time as it is free to wherever you call and the quality is super. Both parties need to open ports for sip and redirect to LAN IP of their unit in the router. The number you call is username@iport

    username: is the username which is written in the unit you try to connect to
    ip: is a wan address of the unit you try to call (unles it is in your LAN)
    port: you need to specify if it is different than 80 (80, sip default port)

    Both parties should to open and redirect UDP ports range to their unit in the router as well.

    Good luck


    Quote Originally Posted by B52 View Post
    Can a call be placed directly to the ATA without dialing the voip number? I was thinking since ATA has an IP address, one should be able to call it directly without dialing the voip number and incur a charge when dialing a different provider.

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    best4less (03-06-09)

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    Senior Member mborkp's Avatar
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    Quote Originally Posted by mborkp View Post
    Hi,
    yes, I do this all the time as it is free to wherever you call and the quality is super. Both parties need to open ports for sip and redirect to LAN IP of their unit in the router. The number you call is username@iport

    username: is the username which is written in the unit you try to connect to
    ip: is a wan address of the unit you try to call (unles it is in your LAN)
    port: you need to specify if it is different than 80 (80, sip default port)

    Both parties should to open and redirect UDP ports range to their unit in the router as well.

    Good luck
    ahhh, I did come accross this old post while looking for something else and I realised I made mistake with the default ports. The default port for sip is 5060 not 80.
    Sorry if it create a headache to anyone

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    Fernbay (21-09-09)

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    If you use a Pap2 you can setup a speed dial so you press 2# and it will dial the other party , we use this all the time a good intercom

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    Junior Member martymoose's Avatar
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    we run draytek routers that have direct ip dialing built in

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