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Chapter 3 – Using Your Wireless Modem
34 Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide
Setting up Internet Access
You can setup Internet access in Windows Dial-Up Networking (DUN) of the computer that the wireless
modem is serving. Setup procedures vary according to the type of wireless service provider used.
To access Dial-Up Networking on your PC, from the Start button, select Settings > Network
Connections.
● For GSM-without-GPRS, a circuit-switched data connection is used. The user can set up DUN to
make a conventional V.32 modem connection to any terminating modem at the other end. The
phone number specified in DUN can be one supplied by the wireless service provider or another
phone number related to a different dialup modem service (e.g., a dialup modem service phone
number from any commercial or private dialup network).
● For GSM-with-GPRS, a single DUN number is generally used by all of a wireless provider’s
subscribers throughout its area of coverage; regional, nationwide, continental, etc. Rather than
being a literal phone directory number, as in conventional DUN, this is a code that gives the modem
Internet access.
Connecting to the GPRS Network for Internet Access
After you have inserted the SIM card and the modem is ready for use, you can establish an Internet
connection through a Windows dial-up session.
Note that your wireless provider will charge you for data usage.
Before you Begin
Before you begin, please note the following.
● The GPRS modem has an active SIM card and must have GPRS services
● The modem must be getting a proper signal and be showing a network registration through the
wireless provider’s network
● You must have a PC running Windows Vista, XP, or 2003 with the Multi-Tech drivers installed for
your particular model
● The following instructions are for Windows XP SP2 and Windows 2003. Every PC may have slight
differences which may cause the instructions to be different. Use these instructions as a guide to
help you understand what is required to set up an Internet connection through your wireless service
provider for all operating systems.
● Cellular providers provide Internet services as part of your service plan. Multi-Tech recommends
that if you plan on using large amounts of data, to sign up for an unlimited data service plan with
your provider. Multi-Tech Systems, Inc. will not be responsible for any charges on your cellular bill. If
you have any questions about billing, service plans, service charges, etc., please contact your
provider for more information.