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Blocking voip phone from router?

Discussion in 'Networking' started by mlclau, Oct 11, 2010.

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  1. mlclau

    mlclau Thread Starter

    Oct 11, 2010

    I'm trying to disable access for a voip phone which is connected through my router at home. I'm currently using a TP-LINK Wireless Router WR340G. The phone is a Samsung SMT-W6100.

    My basic understanding is that I should block the port which the phone is using - but i'm not sure if:

    i) it is the port I should be trying to disable
    ii) how I can do this on my router and
    iii) how to find out which port the phone is using.

    Would any of you be able to guide me through this? I'm quite a beginner when it comes to router settings/networking so any advice would be greatly appreciated.

    Many thanks in advance for your time.
  2. JohnWill

    JohnWill Retired Moderator

    Oct 19, 2002
    Unplug the VoIP phone, it's blocked 100%! :)

    You can restrict the MAC address of the VoIP phone in the router's configuration, that will also prohibit connections.
  3. cwwozniak

    cwwozniak Trusted Advisor Spam Fighter

    Nov 28, 2005
    First Name:
    Hi mlclau, and welcome to TSG.

    To add to JohnWill's suggestions...

    Are you using any kind of wireless encryption on the wireless router. Enabling wireless encryption or changing the encryption key should block the phone and other unwanted users. You would need to set-up the encryption key on any wireless devices you wish to connect to the router.
  4. Squashman

    Squashman Trusted Advisor

    Apr 4, 2003
    In this particular instance that is a brilliant idea. Probably no way to forge a mac address on a VoIP phone as you can with a normal computer OS.
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