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Windows Thread, SIP ISA config in Technical; We are using sip phones in school but having trouble with the isa configuration to allow sip. Does anyone have ...
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    layercake426's Avatar
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    SIP ISA config

    We are using sip phones in school but having trouble with the isa configuration to allow sip. Does anyone have any answers??


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    Quote Originally Posted by layercake426 View Post
    We are using sip phones in school but having trouble with the isa configuration to allow sip. Does anyone have any answers??

    Your're a bit out of luck with 2004 and 2006 because they don't fully support SIP which is a pain. However there are add-on that will do the jobs this is one of them:

    Collective Software | LCS-Bridge

    Ash.

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    Erm, our ISA 2006 ox allows our SIP trunking to other offices, no worries.

    What phone hardware/setup are you using?

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    localzuk's Avatar
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    SIP is just another internet protocol, so it should work just fine with port forwarding on port 5060.

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    Quote Originally Posted by Domino View Post
    Erm, our ISA 2006 ox allows our SIP trunking to other offices, no worries.

    What phone hardware/setup are you using?
    Which ports did you open for SIP communications or its it a all open rule from source to destination?


    http://blogs.technet.com/accessdenie...es/419279.aspx


    Ash.
    Last edited by spc-rocket; 27th November 2008 at 03:17 PM.

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    localzuk's Avatar
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    Asterisk firewall rules - voip-info.org

    That lists the ports for SIP, IAX and RTP (and MGCP, if you use that).

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