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I have the Interface Digital Voice Service Message Manager (ATA) behind a firewall. What ports do I need to open?

April 26, 2017ATA digital firewall interface manager message ports service Voice

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I have the Interface Digital Voice Service Message Manager (ATA) behind a firewall. What ports do I need to open?

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A. With the Interface Digital Voice Service Message Manager (ATA) you do not need to open or configure any ports. The built-in NAT traversal of the Message Manager, along with the firewall detection system of the Interface Digital Voice Service network, will allow your calls to go through without any manual configuration of your firewall. However, in the rare case where ports may need to be opened, port 5060 should be allowed.