The diagrams below show how to connect your Hosted PBX phones to your office network. Having a proper network configuration is critical to ensuring you're getting the most out of your Hosted PBX service.
- Internet service providers (ISPs) will provide modems that have built in router capabilities. All ISP provided modems have limited features and tend interfere with the quality of the Hosted PBX service. YOUR COMPANY recommends using your own network hardware if at all possible because this allows you more control over your network.
- If you're having issues with your phone service then YOUR COMPANY strongly recommends placing your ISP provided modem into NAT passthrough, or "bridge mode".
- What does bridging mean? Bridging means that internet traffic is passed uninterrupted through the ISP provided modem to another device, in this case one of our recommended routers.
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Scenario #1: Without a network switch ISP provided modem/router only |
 This configuration is NOT RECOMMENDED. |
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Here are where the cables would be connected to each device in this scenario:
Why is this configuration not recommended? ISP provided modems severely restrict the configurations available to the end user. They typically have SIP ALG and are programmed to be biased toward their own VoIP solution, MANY YOUR COMPANY customers with this configuration experience issues with intermittent phone registration loss, one way audio, dropped calls, transfer failures, and a number of other intermittent and strange problems with this configuration. What's the resolution? Configure your network based on one of our recommended scenarios. |
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ISP provided modem/router connected to a recommended router |
 This configuration is RECOMMENDED. |
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Here are where the cables would be connected to each device in this scenario:
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| Scenario #2: With a network switch
ISP provided modem/router connected to a network switch |
This configuration is NOT RECOMMENDED. |
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Here are where the cables would be connected to each device in this scenario:
Why is this configuration not recommended? ISP provided modems severely restrict the configurations available to the end user. They typically have SIP ALG and are programmed to be biased toward their own VoIP solution, MANY YOUR COMPANY customers with this configuration experience issues with intermittent phone registration loss, one way audio, dropped calls, transfer failures, and a number of other intermittent and strange problems with this configuration. What's the resolution? Configure your network based on one of our recommended scenarios. |
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ISP provided modem/router connected to a recommended router + network switch |
This configuration is RECOMMENDED. |
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Here are where the cables would be connected to each device in this scenario:
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