Siemens GSM/GPRS Terminal
FAQ Support Knowledge Base
Siemens MC35 (and other models)
GSM Modem Status LEDs
| LED |
Status |
| Off |
Power off or sleep mode |
| Flashing slowly and evenly |
No SIM card inserted, No SIM PIN entered, network search or
network login in progress |
| Pulse |
Logged onto network. No calls in progress |
| Flashing |
GPRS data transfer |
| On |
Connected and Voice call or Data call in progress |
GSM Terminal SIM and Network
Coverage Tests
The SIM must not have a PIN code set, if the SIM has a PIN code
set use a GSM phone to remove the PIN. Place the SIM into the GSM
modem, connect the antenna, power and RS232 cable.
Connect the GSM modem to a COMS port of PC start Hyperterminal
(under accessories, communications in most Windows OS)
Set up the following in a new connection in Hyperterminal
Baud - 19200, Bits - 8, Parity - None, Stop bits - 1, Flow Control
- None
Type the following AT commands
AT - should return OK
AT+CREG? - if registered on network second value should be 1
AT+COPS? - returns Network operator eg. VODAFONE
AT+CSQ - checks signal strength, value should be greater than 10
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Setting up MC35iT to
Auto Answer a Data Call
The SIM card for the MC35iT must have a Terminating Circuit Switched
Data Number to receive data calls (this may be a different number
to a GPRS number).
Connect the GSM modem to a COMS port of PC start Hyperterminal
(under accessories, communications in most Windows OS)
Set up the following in a new connection in Hyperterminal
Baud - 19200, Bits - 8, Parity - None, Stop bits - 1, Flow Control
- None
ATS0 = 2 (answer in 2 rings)
AT&W (save settings)
AT&V (check current profile and S0,002)
When dialing the modem from another device the modem will now
answer after 2 rings.
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GPRS Setup for Siemens MC35iT:
The commands for to setup GPRS on the MC35iT from a terminal
session are:
AT^SGAUTH=1
AT+CGDCONT=1,"IP,"Telstra.Internet"
AT*99***1#
Each command is executed with a CR (Enter) and will return OK.
The second line above is the APN for Telstra.
For Vodafone it's "VFINTERNET.AU"
For Optus it's "INTERNET"
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How to send SMS from Siemens
GSM Terminals TC35, MC35:
Using any Terminal program (e.g. Hyper Terminal) you can send
and receive SMS via the Siemens TC35i, MC35i or MC35iT:
There are only 3 AT commands required to send SMS which are:
AT+CSCA="xxxxx" where xxxxx is the network SMS Central
number
AT+CMGF=1
AT+CMGS="####" where #### is the phone number you want
to send the message to followed by a CR which will give you a prompt.
You can then type the message you want then follow it with a CTRL+Z
(that is CONTROL button and Z button pressed together)
To Receive SMS type AT+CMGR=1
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Free SMS Software for
Microsoft customers
The following link is for the Microsoft SMS Sender which includes features such as a phone book, time sending and saves messages to your hard disk.
http://www.microsoft.com/downloads/details.aspx?FamilyID=06a4f997-7f69-4891-8929-37b9041924a2&displaylang=en
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SMS Centre numbers for the
3 major networks in Australia are:
Telstra: +61418706700
Vodafone: +61415011501
Opt us: +61411990001
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