Grandstream GXP2120 IP Phone

From VoIP.ms Wiki

Configuration Detail

Step 1:

You must first determine what IP address the IP Phone was assigned. To do this, press the round menu button, then the down arrow next to it until the display shows:

[2] IP Addr

Now, press the round menu button again and you will be shown the IP address of your device (e.g. 192.168.0.100).

Step 2:

Open your web browser and go to the IP you just found: https://[DeviceIP]

Step 3:

You will be prompted to enter a password, the default is "admin", then click the "Login" button.

Step 4:

Click on ACCOUNT, followed by the ACCOUNT 1 (to configure your line 1). You need to modify only a few settings from the factory default.

Fill in the followings fields.

• SIP Server: atlanta.voip.ms (You can enter the address of any of our multiple servers, this is just an sample with Atlanta server)
• SIP User ID: 100000 (Replace with your VoIP.ms username, it is a six digit number)
• Authenticate Password: ********* (Type your VoIP.ms account Password)
• SIP Registration: Yes
• Register Expiration: 5

Step 5:

Finally, please click the Update button and then Reboot at the bottom of the configuration screen.