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Questions tagged [gsm]

GSM is an abbreviation for "Global System for Mobile Communication"

GSM is a second Generation Cellular Standard popularly known as 2G Standard. It is standardized by ETSI(European Telecommunications Standardization Institute).

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GPRS communication

I want to set up communication between GSM/GPRS modem and a remote server or PC. How to do that? Do we need some application on PC which will communicate to the GSM modem. I want 2 way commuinication. I want to interface GSM/GPRS modem with some…
Manoj Goel
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Getting a list of signal strength in android

I am trying to get a list of signal strength (both cellular and wifi) in an android device. Do i achieve this using the Signal Strength class ?http://developer.android.com/reference/android/telephony/SignalStrength.html
user2054702
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Which optional parameters do improve the accuracy of a google geolocation request result?

I am using gsm cell data to get the current device position. To do this I use the Google Maps Geolocation API. All fields seem to be optional in the first part of the needed JSON parameters (URL:…
spikey
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How to send Multi-part unicoded SMS using At Commands And PDU-Submit Not with Text-Mode?

In my project, I want to send a unicoded text(UTF-8) SMS message through PDU-Submit. I've been searching a lot but all answers using Text-Mode and not PDU-Submit command, therefore I can't send multipart SMS. I want to have a solution for multi-part…
Hassan TBT
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C#: Not receiving from GSM device

I've coded a little program to read/send SMS messages using a GSM device. My code worked fine on one kind of device. Today I am using a different device and my program can't receive from it (although it can send to it just fine). The device works…
Juicy
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Check for Serial Port GSM Modem Connection status

I have a GSM ModeM connected to a serial port, and I use it so send SMS upon certain events. Since it is not Plug-and-Play, I am confused as to how I'll detect its connection status. Win APIs like GetCommState will obviously not work. I could…
user1173240
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Checking SIM is inserted or not in the GSMCOMM modem

I am using GSMCOMM http://www.scampers.org/steve/sms/libraries.htmlibrary in C# to send and receive SMS. So I need check Sim is inserted or not in the modem. Is there any way to check this in C# ? Thanks in advance.
Atish Kumar Dipongkor
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Wavecom GSM modem as a TCP client

I've been trying to do TCP communication using my Wavecom Fastrack modem. What I want to achieve is make the modem connect to a specified TCP server port to enable me to transfer data to and from the server. I found some information on than in the…
Mariusz Schimke
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Parsing strings using regular expressions received by a GSM modem connected to a laptop via a serial port in python

Here is the function I am using to poll for new messages received by a GSM modem connected to my laptop via a serial port. I have created a serial object 'phone' which I am using to read and write data. 'phone' reads the data into a list x. The…
Anon
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Group characters stored in a list so regular expressions can be used to parse the list's information storing data received by a GSM modem in Python

I m working on code to send and receive messages from a GSM modem connected to my laptop via a serial port using python. In my program I have created a serial object named phone. Using phone I read and write into a list x which stores the AT…
Anon
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C#: COM port, GSM device just sending back what I send him

I'm trying to send and receive data with a GSM modem attached to a COM port. Here is the essential part of my code: SerialPort sp = new SerialPort(); sp.PortName = "COM1"; sp.BaudRate = 9600; sp.DataBits = 8; …
Juicy
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Capturing serial input in string/char array

I have a software serial link between an Arduino Uno and a TC35 GSM Module to send and receive SMS messages. Sending SMS'/calls is not a problem as it is a matter of sending the appropriate AT command to the GSM module. However I wish to use the…
BLL27
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Forwarding a text message via GSM modem using Java

I am using Java CommV3 drivers to interface a GSM modem (Huawei E173) with a Java Application. I am trying to forward a text message to several numbers present in a mySQL database. I always receive a PortInUseException. However, manually sending and…
GreenDroid
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MC52i/MC55i Auto accept incoming call

I want that my MC52i auto accept an incoming call. If I use AT commands to answer manually (ATA) it works fine, but I'm not able to force the modem auto accepting an incoming call. On other devices it works with ATS0=1 but not on the MC52i. I think…
fillibuster
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Using Arduino Uno to log GSM Air interface messages

Is it possible to log the GSM Air interface messages that are sent between a GSM module and the GSM/WCMDA network using an Arduino Uno? Basically, I want to log/record all the GSM messages of the Air interface (for example, paging command, CM…
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