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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [FW1] Somewhat OT: Ports for Cisco IP Telephony over VPN
We recently installed some cisco voice modules in routers to give us a phone connection between our home office and our equipment rack at our colocation facility (actually, it's very cool having an extension of our in-house phone system located a mile away). Watching the traffic on the VPN, an IP telephony call uses three ports (all connections initiated by the "calling" router): TCP 1720 - always TCP 111xx - varies for each connection TCP 163xx - varies for each connection (and one back-connection on another port) Does anyone have any pointers for documentation on exactly which ports are used for this? I don't want to leave everything wide open. Thanks... Dave Grabowski System Arts, [email protected] ================================================================================ To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================================================
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