This article explains how to setup a 2talk Fax number on your Grandstream HT801 ATA to send and receive faxes. Login to your 2talk account and go to your fax line and click on Faxmail Delivery Options under preferences: Turn off the Faxmail service to allow for the fax machine to receive faxes the traditional way instead of via email. Lo...

This article explains how to setup a Grandstream GXW4216/32/48 port analog gateway for use with a Session Border Controller or PBX via Peer Trunking (where FXS ports are not registering back to the SBC or PBX). Login to the GXW42xx and specify the IP address of your SBC/PBX in the SIP Server field (this is where your outbound calls from yo...

Scenario: In this scenario we will explain how to use the Grandstream HT502 and HT503 to extend an Analog Line over IP without a SIP Server). Important: 1. Please upgrade firmware on both HT502 and HT503 to at least version 1.0.9.1 prior to configuring.  2. Ensure both devices can reach each other via their WAN interfaces. This scenario is ba...