The Grandstream GXP1620/GXP1625 IP phones are geared specifically for small to mid-sized businesses. Cost effective and feature rich, these phones offer support for multiple SIP Accounts/Call Appearances, HD Audio, Conference Calling, PoE (Power Over Ethernet), and more...
The setup guide below is based the GXP1625, running on firmware revision 126.96.36.199.
If you are running a different software version or are using the GXP1620 some menus/settings may be slightly different.
These instructions are also based on using the GXP1625 in its factory default configuration, which obtains a dynamic IP address automatically from your router using DHCP. For information on configuring your GXP1625 with a static IP address, please refer to the GXP1625 user manual.
In this guide we will go through configuring the GXP1625 in order to register to the Freevoice servers so that you will be able to place and receive calls using your Freevoice account.
Before proceeding, please ensure that you have properly added the device to your network by connecting it to your router or gateway.
We recommend that you read each step through in its entirety before performing the action(s) indicated within the step.
Note: Although this device supports many advanced features/options; this guide will only detail the specific settings which are required to establish basic connectivity between your GXP1625 and our service.
If you need additional assistance with any specific issue please let us know.
STEP 1 Logging into your device
Log into the GXP1625's administrative interface by using the supplied default username (admin) and default password (admin).
STEP 2 Configuring your Freevoice account
From the top menu bar, please select the Accounts option. After doing so, select the Accounts 1 >> General Settings option; which is located on the side menu bar.
Please use the settings detailed in the screen captures below. After your have finished entering these settings, click on the Save and Apply button to apply/save your settings:
Account Active Yes
Account Name Freevoice
SIP Server my.freevoicepbx.com
Outbound Proxy my.freevoicepbx.com
SIP User ID This is the extension you are trying to register to.
After completing the steps detailed above, locate the Account 1 >> SIP Settings >> Basic Settings menu option on the side menu bar. On this page, please use the settings detailed in the screen captures below. After you have finished entering these settings, click on the Save and Apply button to apply/save your settings:
Unregister on Reboot Instance
Remove OBP from route Yes
Next, locate the Account 1 >> Audio Settings menu option on the side menu bar. On this page, please use the settings detailed in the screen captures below.
After you have finished entering these settings, click on the Save and Apply button to apply/save your settings:
STEP 3 Checking Registration Status
To ensure that your GXP1625 has successfully registered to our service click on the Status option on the top menu bar.
Locate the Account Status section; you should see that the Account you just configured is now Registered.
STEP 4 Make a test call
You can make a test call by dialing either:
1 + the area code and number for calls to the US
Or 011 + the country code, area code, and number for international calls.
To test inbound calls from Freevoice to your GXP1450 installation, follow the directions listed in this FAQ.
Connect to Grandstream's IP address. Login using admin/admin as credentials.
Select Account 1 General settings. Input proper information to configure SIP settings.
Save and Apply. (This is for GXP 2000/3000s)