Why won't my VoIP device work with D-Link router?

SIP ALG enables applications and devices to use voice over internet protocol to communicate over NAT. Certain VOIP devices and applications can even discover NAT devices and work on them. There is a high possibility of ALG interference when such devices are operating. In case you are also encountering issues while making voice over internet protocol calls, then you can resolve your issue by turning off ALG. 

Step 1: Launch your internet browser and then enter http://192.168.0.1 or http://dlinkrouter.local in the location bar of the browser. After that, enter the administration password and then click on log in. 

Step 2: In the next step, go to features and then select Advanced Settings and then choose SIP for disabling it. 

Step 3: Click on Save. 

So, these are the steps that you are required to follow to make your VOIP device work with D-Link router. In case the above solution does not work out for you, then you try fixing your problem by applying the solutions below. 

1) Incompatible router

See if your router device is incompatible with the VOIP device. Your router may be incompatible because of several reasons, which includes a QoS, which is not properly configured, it does not allow your phone to register. The problem is more likely to occur if your router and modem device are not separate. Try using separate router and modem devices to make VOIP device work with D-Link router.

2) Check bandwidth 

To make your VOIP device work with the D-Link router, you must turn off or disable any devices which take a lot of bandwidth such as streaming videos and downloading files. Now, check the bandwidth by using a speed test tool. In case the upload speed is not more than 90 kbps, then you may experience certain issues in video quality. Get in touch with the VOIP provider and ask them if they offer bandwidth saver codec option. Additionally, you can communicate with your internet service provider and ask them to upgrade the service that has been offered to you.

3) Update firmware 

Issues in the older VOIP versions have been resolved in the latest versions. So, it is recommended for you to upgrade the firmware in order to fix the VOIP issues that you are dealing with. To update the firmware, you will have to download the file by going to the main website of the router manufacturer. After that, go to the administration settings and then upload the file. After that, install and then restart your device. There is a very rare chance where you may have to downgrade the firmware.

4) Check battery

Some router devices have battery backups. The battery stops hard reset of VOIP device when you encounter issues with it. Please keep in mind that majorly router devices don’t have a battery backup.

5) Keep your modem device in the bridge mode

Disable the router features of the modem device and use some other router device to order make your VOIP device work with D-Link router.

6) Chech NAT or Firewall

Go to the admin page of your router and turn off the firewall protection. Restart all the devices and see if you are able to make calls. In case you are having issues with your VOIP device, then you can use the above-stated solutions to fix those problems. When we make any changes in the way we operate our business, it becomes scary and challenging. But there is nothing to worry as VoIP service will save your time as well as money. 

So, these are the solutions that you can try out to make your VOIP device work with D-Link router. In case you are still experiencing issues and you are not able to understand how to make it work, then contact the customer service team.