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Device Configuration Guides
Grandstream GXP 2000

Grandstream GXP-2000 is a next generation enterprise IP telephone based on open industry standards. Built on innovative technologies, GXP-2000 features market leading superb audio quality, rich functionalities, and excellent manageability at affordable prices.

NOTE: Do not use the '#' button to 'send' your calls; use the 'send' button instead. There are some instances where pressing '#' will not work as expected.


You must first determine what IP address it received. 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.

Go to any browser equipped computer on your network and enter the address:

http://<IP ADDRESS>/

(where <IP ADDRESS> is replaced by the address that was given to you in STEP 1.

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

Click on “Account 1” to configure your first line.


SIP Server
SIP User ID:   Enter the phone number you chose when you signed up for InPhonex service.
Authenticate Password Enter the password that you chose when you signed up for InPhonex service.
User ID is phone number:   Yes
SIP Registration:   Yes
Voice Mail User ID:   8500
Send DTMF:   via SIP INFO
Grandstream GPX 2000 Configuration

Click on the "Update" button at the bottom of the form.

Grandstream GPX 2000 Configuration

You will be brought to a confirmation screen on which you will click on the only option available: "Your configuration changes have been saved. They will take effect on next reboot."

If necessary, continue to configure account 2 to 4. Follow Step 4 to Step 6

When all accounts are configured, click on the "Reboot" button at the bottom of the form.

Grandstream GPX 2000 Configuration

Make calls!


Our Home Phone Service includes Internet phones with free Internet calling and unlimited US and Canada plans. We offer prepaid phone service and International DID numbers using our voice over IP system and an analog telephone adaptor (ATA). The solutions are designed for home phone service, business phone service, call shops, telemarketing firms and cyber cafes. InPhonex is proud to support Internet telephony equipment (IP Phones) including Sipura 2000, Sipura 3000, Cisco 186, Linksys PAP2 and other SIP phone adaptors. We also support Asterisk PBX, Trixbox and offer turn-key VoIP Reseller business opportunities to let entrepreneurs and businesses resell voice over Internet (VoIP) under their brand name.

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