Introduction
The GAC2500 can be used as a standalone SIP conferencing phone, as well as a speaker when it is
connected to GVC320x. When being used as a speaker, the GAC2500 can be connected to GVC320x
via Micro-USB cable or Bluetooth. This document describes how to connect GAC2500 to GVC320x
when it's used as a speaker as well as how to use GAC2500 to make calls using GVC320x's account
via Bluetooth connection.
For more information about GAC2500, please go to the following link to check the latest documentations:
http://www.grandstream.com/products/business-conferencing/audio-conferencing/product/gac2500
Connect Via Micro-USB Cable
The GAC2500 can be used as a USB speaker for GVC320x when it's connected to GVC320x via micro-
USB cable. To connect the GAC2500 with GVC320x device via Micro-USB cable, plug the USB port of
the cable into GVC320x device SPKR socket and plug the Micro-B (5 pins) port into GAC2500 Micro
USB socket. After that, users can use GAC2500 as a speaker.
Here are the detailed steps:
1. Power up GAC2500 and GVC320x device.
2. Plug the USB port of the Micro-USB cable into the GVC320x device SPKR socket. The socket is
on the back of GVC320x device.
3. Plug the Micro-B (5 pins) port of the Micro-USB cable into the GAC2500 Micro-USB socket. The
socket is covered by a cap on the left side of the GAC2500.
Figure 1: Connecting GVC320X
How to use GAC2500 with GVC320x Guide
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