User Guide

Voice Gateway / Pocket Voice Gateway 37
6. Software Upgrade
Voice Gateway / Pocket Voice Gateway are software upgradable. Users may
download the latest software from our web site and upgrade the voice gate-
way. Besides, users may switch between H.323 protocol and MGCP proto-
col by using different software image files.
Voice Gateways provide two interfaces for software upgrades, RS232 User
Console Interface and HTTP Web Console Interface. This section will de-
scribe the step-by-step software upgrade procedures of both interfaces.
6.1. Through the User Console Interface
1. Save the upgrade software image file to your hard drive.
2. Make sure the modem is connected to your computer through the Ether-
net interface and the Console port on the modem is connected to your
computer’s COM port.
Ethernet
VGW
Computer
HyperTerminal
TFTP Server
Download Image File
RS232 (console)