![]() If you do not know, consult with your IT. Find out if you have any of the devices above on your network.On another device that's acting as a DHCP and/or DNS server on the network, such as a Windows Server.Another router or layer-3 device on the network, like a managed switch, or.If the log shows the Netgear router's IP address or another private IP address as the Primary DNS server, then this means there's a setting called DNS proxy/relay that's still enabled on either:.They will need to see if the log shows the phone's Primary DNS server as 8.8.8.8 or not.Call Intermedia Cloud Voice Technical Support and have a representative log into one of the Polycom phones after it reboots to check the very end of the phone's 'app' log.Reboot the router, all computers, and all of the Polycom phones.On the left-hand side of the page under Setup > click on Internet Setup > Select the option that says Use These DNS Servers > Enter the following:.Make sure only do to these steps during a time when you can afford to take your network offline.The steps below can take your phones and computers offline for 10 minutes or much longer if an unexpected problem arises.First try to disable DNS proxy/relay by doing the following:.This makes some Netgear routers incompatible with Polycom phones unless Netgear releases a newer firmware version that disables DNS proxy after following the steps below.On some firmware versions, DNS proxy/relay cannot be disabled, which causes intermittent registration failures on only Polycom phones.The remaining steps below are only required if you have or plan to purchase Polycom phones.Please see the screenshot below for other Netgear routers that this configuration can be applied to.Īfter configuration, it should look like this. Please contact Intermedia to obtain the necessary Port ranges that need to be added as Service Objects to your firewall. You will need to create service objects for IP ports that pertain to the Intermedia VoIP product being used.Begin adding the new rules by clicking on ‘Add Priority Rule.Once it has been verified that none are in use, click on the ‘Delete All’ button.Ensure that none of the preconfigured rules are in use.Choose the Server closest to your location.Take the average of 3 bandwidth tests using this link: InternetSpeedTest.Uplink Bandwidth: Set this to 80-95% of your max Upload bandwidth limit.Turn Bandwidth Control On > Check the box and click ‘Apply’.Turn Internet Access QoS On > Check the box and click ‘Apply’.This step is needed for reserve the bandwidth the phones & fax devices need to ensure excellent call & fax quality.Click Apply at the top of the page to save.Respond to Ping on Internet Port: Check.This optional step only needed for call quality troubleshooting and monitoring purposes:.You or your IT will need to replace the router with a compatible one.If you still do not have the option to disable SIP ALG, then the hardware revision of your Netgear is incompatible.If your router doesn't have this option, you or your IT will need to contact Netgear to upgrade the latest firmware. ![]()
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