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Ports to be opened for voice traffic

What ports need to be opened in the VPN routers access-list to allow voice traffic to pass through.

  • VPN
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Re: Ports to be opened for voice traffic

You need to open ports for RTP (RTP is generally configured to use UDP ports 16384-32767) and for H323 protocol. You may have to open additional ports because some of the voice applications open multiple ports dynamically during the connection phase.

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