![]() The call management system can be self-hosted, or hosted by a third-party service provider. In a peer-to-peer connection, each of the two devices knows the IP address of the other device and connects to the other directly without the use of a proxy server to route their calls.Ĭonnections managed by a call management system (PBX). It is important to understand that you usually implement VoIP with either: For instructions to add the SIP-ALG to your Firebox configuration, see Add a Proxy Policy to Your Configuration.įor supported deployment configurations, see Example VoIP Network Diagrams. Before you configure SIP-ALG, you must create a proxy policy to handle the traffic. There is no default policy for SIP-ALG traffic. To determine which ALG you need to add, consult the documentation for your VoIP devices or applications. You can use both H.323 and SIP-ALGs at the same time, if necessary. H.323 is commonly used on videoconferencing equipment. These ALGs have been created to work in a NAT environment to maintain security for privately-addressed conferencing equipment behind the Firebox. An ALG is created in the same way as a proxy policy and offers similar configuration options. Uncheck the box that says Do not respond to PING requests received on External Network.If you use Voice-over-IP (VoIP) in your organization, you can add a SIP (Session Initiation Protocol) or H.323 ALG (Application Layer Gateway) to open the ports necessary to enable VoIP through your Firebox.On the left-hand side of the page under Firewall, click on Firewall Options.If the steps above do not cause the Firebox to respond to Intermedia WAN Ping Servers ( 64.28.122.Repeat the above steps, but change name to VOICE WAN Ping Monitoring 2 and IP address to 64.28.121.110.Where it says Host IP Address, change that drop-down to Host IPv4.In the Policy Host field, enter the IP address of the Watchguard firewall from step 1.Where it says Incoming Filter, set it to Allow.Leave Policy Type set to Packet Filter.Where it says Policy Name, type VOICE WAN Ping Monitoring 1.On the left-hand side of the page, click on Firewall -> Incoming.This step is needed for call and fax troubleshooting and monitoring purposes.Add only the WAN-interface MAC address that your local network computers can see, not the LAN-side MAC address that shows on your Voice Admin Portal account.Critical:Make sure to add each Intermedia device, which can include any of the following if you have them:.Set the phones to use a specific IP range.Repeatuntil all phones/devices are added.Next enter the phone's MAC Address in the next box and click Add.Make sure it's an IP that isn't already being used by another device. ![]() Where it says IP Address, enter in the IP adress that you want the first phone/fax-device to use.Secondary DNS Server Address: "8.8.4.4". ![]()
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