If I put your hardware in front of my router, I get phone service but no internet and if I put my router in front of your hardware, I get no phone service?

This is typically an IP Address conflict between your router and our hardware but one that is easily resolved.

• First, power off the router.

• Connect a computer directly into the Grandstream's LAN port.

• Open your web browser and navigate to 192.168.2.1.

• The password is 123.

• Click on the Basic Settings tab.

• Scroll down and locate the LAN DHCP Base IP and change it to 192.168.3.1.

• Scroll to the bottom of the window and click Update.

• On the next screen click Reboot.

• While the Grandstream is rebooting, reconnect your computer back to your router and power on the router.

• If this does not resolve your issue, please contact support for further assistance.