How to Configure Grandstream GRP26XX Series for 3CX

Applies to Grandstream GRP2601 (P), 2602 (P/W), 2603 (P), 2604 (P), 2612 (P/W), 2613, 2614, 2615, 2616

Grandstream GXP21XX Series IP phones

Important

  • Used phones previously connected to another PBX system need to be reset first. See how to do this here.
  • If it’s an old phone, you might have to upgrade its firmware to the latest 3CX supported version.
  • Note: If you don't want to use RPS, you have to enter the provisioning URL into the phone via its web interface. The phone will be configured automatically and then restart. Use the DHCP option 66 if you have a large number of identical legacy phones (as the URL is different for each phone).
  • Known limitations
  • The first two keys are configured as line keys (via the template). This cannot be changed, otherwise the phone will not be able to make calls.
  • If BLF Transfer mode is set to “Attended Transfer” Shared Parking BLFs will not auto-complete the call and must be manually completed.
  • In order for the Phonebook to load properly, the First or Last name is required for each entry.

About the Grandstream GRP26 models

  • GRP Professional IP Phones: Designed for enterprises, service providers and other high-volume markets. This series of next-generation IP phones features options including Bluetooth & Wi-Fi support, a dual LCD screen, support for up to 14 lines, 5-way conferencing and more. Compatible with Grandstream’s new cloud provisioning platform, GDMS (Grandstream Device Management System). Costs start in the region of $55.
  • GRP Essential IP Phones: The 4 devices in the Essentials series are easy to use and deploy making them ideal for on-site and remote workers. Costs in the region of $30.

Step 1: Identify your exact Grandstream GRP26 phone model and MAC address

Be sure you follow the steps for the correct phone model. You can find the model and the MAC address on the label at the back of the phone or by pressing and holding the “UP-navigation” key for 3 seconds. Take a note of the MAC address, you will need this for the configuration.

Step 2: Login to the Admin Console

  1. Login to your 3CX Web Client and go to “Admin”.
  2. Select the “User” for which you want to add a phone and go to the “IP Phone” tab.
  3. Click “Configure a phone”.

Step 3: Configure your Grandstream GRP26 IP phone

You need to know if 3CX is in the cloud or not. If you have 3CX hosted by 3CX or you have 3CX StartUP, then your 3CX is in the cloud.

3CX is in the cloud

You will need to have at least one router phone on your network or an SBC configured. See a list of router phones here or follow this guide on How to install an SBC.

  1. Choose your Grandstream GRP 26 model from the drop-down menu.
  2. Enter the phone’s MAC address and click “Add phone”.
  3. Specify your SBC or router phone. If this is the first phone in your network
  4. Connect the phone to the network within 14 days.
  5. If it is already connected, restart it.
  6. The phone will be configured automatically.

3CX is on premise

  1. Select where your phone will be located.
  1. Outside the office (Remote)
  2. In the office (Local)
  1. Choose your Grandstream GRP 26 model from the drop-down menu.
  2. Enter the phone’s MAC address and click “Add phone”.
  3. If you selected “Outside the office” specify the router phone or SBC.
  4. Connect the phone to the network within 14 days. If it is already connected, restart it.
  5. The phone will be configured automatically.

Step 4- Connect your phone

  1. Connect the phone to the network within 14 days.
  2. If it is already connected, restart it.
  3. The phone will be configured automatically.

See also

Last Updated

This document was last updated on 29th June 2023

https://www.3cx.com/sip-phones/grandstream-grp26-series/ 

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