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Configure a Grandstream SIP Trunk

Grandstream has been connecting the world since 2002 with SIP Unified Communications solutions that serve the small and medium business and enterprises markets and have been recognized throughout the world for their quality, reliability and innovation. Their open standard SIP-based products offer broad interoperability throughout the industry.

Here, we'll show you how to configure Grandstream to make and receive calls over the internet through Telnyx.

Before we start you should have a credentials connection setup with Telnyx. You'll also need to assign this connection to a number and an outbound voice profile so you can start talking with Telnyx!

Grandstream SIP Trunk Prerequisites

  1. Download - Grandstream’s firmware updates are available to download from here.
  2. Product Resources - Grandstream UCM6200 series is available to download from here.
  3. OR: Grandstream UCM6510 series is available to download from here.
  4. Configure Your Telnyx Mission Control Portal

Once you've established your connections, you can start to setup Grandstream by following the instructions outlined here.

Grandstream Setup Guide

Create Telnyx SIP Trunk

  1. Navigate to Extension/Trunk that will drop down and click VoIP Trunks.

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  1. Click Add SIP trunk and fill in the required information.

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  1. Configuration Settings

    • Type: Register SIP Trunk
    • Provider Name: Telnyx
    • Select Host Name: 192.76.120.10

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  1. Connection Setup

    • Connection’s username
    • Connection’s password

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  1. Save the changes.

Create Inbound Route

  1. Navigate to Inbound Routes within Extensions/Trunks.

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  1. Select the trunk and then click add on the left hand side of the screen underneath inbound routes.

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  1. Enter in the patterns which apply to this inbound rule. There is a good article found here to understand how to correctly format the pattern.

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  1. In default mode select your default destination as Extension.

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  1. After you have entered the new inbound route then click save in the top right hand side of the screen.

Create Outbound Route

  1. Navigate to the outbound routes shown below.

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  1. Name the calling rule name to something of your choice and add the number pattern. ] Grandstream

  2. Set your privilege level to match the service plan in the outbound settings on your Telnyx portal.

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  1. Select your trunk in the use trunk section.

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  1. After completing the configuration, click on "save".

That's it, you've now completed the configuration of Grandstream UMC6202 IP-PBX Trunk and can now make and receive calls by using Telnyx as your SIP provider!

Additional Resources

Review our getting started guide to make sure your Telnyx Mission Control Portal account is setup correctly!

Checkout Grandstream's help section for extra support!


If you need some extra support don't fret! Our support team can be contacted by clicking the icon at the lower right hand corner of your screen.

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