Getting Started To Gprs Network; Basic Operation - FALCOM TANGO55 User Manual

TANGO55/i & TANGO56/i User's Manual

5.2.3 Getting started to GPRS Network

The following instructions are available only for TANGO55/56 versions providing GPRS.
 What is GPRS:




 What you need?
 GPRS settings from your network provider
 Modem installation and configuration

Should the standard 19200 modem not installed, you have to install it, else please
refer to the separated manual "gprs_startup_user_guide.pdf".

5.3 Basic Operation

Followings are example of some AT-commands. Please refer to the AT Command
manual for a full discription.
The AT Command manual is available on the Falcom's Website

http://www.falcom.de/
NOTE:
Description
Network registration
checking
Receiving an incom-
ing call
Make a call
This confidential document is a property of FALCOM and may not be copied or circulated without previous permission.
GPRS is a complete new part of the existing GSM network.
GPRS is packed switched high speed mobile data.
GPRS is an efficient approach to upgrade the existing GSM to a
packet switched system.
GPRS is an important step in direction to mobile internet.
APN (name of access point that connects the mobile network
-
to the Internet)
Primary and secondary DNS
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IP header compression
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IP address (DHCP or static)
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User name and password (may be optional)
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Dial number
-
Dial-Up Network installation and configuration
Issue to have extended error code (
AT+CMEE=1
AT Commands Modem responce
AT+CREG? CREG=<mode>,1
CREG=<mode>,2
CREG=<mode>,0
ATA
ATD0123456789;
CME ERROR: 11
CME ERROR: 3
Modem registered into the network
Registration lost, re-registration attempt
Modem not registration into the network, no
RING An incoming call is waiting
OK
Do not forget the < ; > at the end for < voice >
OK Communication established
PIN code not entered (with + CMEE=1 mode)
AOC credit exceeded or a communication is
Version 1.05
)
+CME ERROR
Comments
registration attempt
Answer the call
call
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