Grandstream GXV32xx Setup Guide

How to provision Grandstream GXV32xx IP phone series for calling with Telzio.

This guide will walk you through the setup instructions for the Grandstream GXV3240 and GXV3275. GXV32xx phones can be connected via an ethernet cable or WiFi.

If you’re using an IP phone that was used with another provider, you should do a factory reset on the phone first.

We recommend upgrading the firmware on the phone periodically to make sure you have all the latest features. Updating the firmware is not required to configure the device with a Telzio user.

Steps to provision Grandstream GXV32xx devices with Telzio:

  1. Log into the phone's web interface
  2. Enter the user credentials
  3. Enter the network settings
  4. Enable voicemail notifications
  5. Enable intercom and paging
  6. Configure BLF keys
  7. Upgrade the firmware

Log into the phone’s web interface

When you first boot up your phone, you’ll see the phone’s IP address displayed on the LCD. If you don’t see the IP address, the phone likely does not have internet connectivity. Make sure the ethernet cable is connected to your router and the LAN port in the back of the phone.

  1. Type the IP address that you see on the phone into your web browser to find its interface

  2. Type in the following username and password, and click Login

    • Username: admin
    • Password: admin

It’s important to make sure there are no spaces before or after ‘admin’ in order for the username and password to be valid. You’ll be prompted to change the password when you first log in.

Enter the user credentials

Depending on the model of the phone, you can configure multiple users with the device. The Grandstream GXP3240, for example, supports up to 6 user accounts, which means you can configure up to 6 different users on the phone.

When you first log in to the phone’s interface, you’ll land on the general settings page for Account 1. We’ll start with configuring one user, and you can repeat the steps to configure additional users for Accounts 2 through 6.

  1. Navigate to Account > Account 1 > General Settings and enter the following:
    • Account Active: Yes
    • Account Name: Enter the name as you want it displayed on the phone
    • SIP Server:
    • SIP User ID: Enter the username
    • SIP Authentication ID: Repeat the username
    • SIP Authentication Password: Enter the password for the user (passwords are case sensitive)
    • Voice Mail Access Number: *98 (this enables you to press the message icon on the phone to access voicemail)
    • Name: Enter the name as you want it displayed to other users internally
    • Show Account Name Only: Yes
  2. When you’re finished adding the user details, click Save

Enter the network settings

  1. Navigate to Network Settings in the left panel
  2. Set NAT Traversal to Auto
  3. Set NAT Traversal to Auto
  4. Click Save

Enable voicemail notifications

  1. Navigate to Account > Account 1 > SIP Settings
  2. Set SUBSCRIBE for MWI to Yes
  3. Click Save

Enable intercom and paging

  1. Navigate to Account > Account 1 > Call Settings
  2. Set Auto Answer to Enable Intercom/Paging
  3. Click Save

Configure BLF keys

BLF keys, or Multi-Purpose Keys (MPK), enable you to see when other users in your organization are on a call.

  1. Navigate to Advanced Settings > MPK EXT1 Settings
  2. Click on Add New MPK
  3. Set the Key Mode to Busy Lamp Field (BLF)
  4. Enter the user’s name as you want it displayed on the phone
  5. Enter the username next to User ID
  6. Click Save

Upgrade the firmware

  1. Navigate to Maintenance in the top menu
  2. Click on Upgrade in the left panel
  3. Next to Firmware Server Path, type in
  4. Set Automatic Upgrade to Check Every Week
  5. Click Save