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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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AT Commands CMGS return ERROR

I am using Prolink PSH300 HSUPA GSM Modem connect to my laptop and using tera term to test the connect. First I entered AT it will response me OK AT OK AT+CMGF=1 OK AT+CMGS="+6581XXXXXX" (then I pressed enter error was returned) ERROR…
user236501
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Embedding GSM cellids in Short Messages

I'm using the WML function "providelocalinfo" to put location information into Short Messages send via a WIB menu on a GSM handset. I'm using the WIG WML v.4 Spec from SmartTrust. The relevant section is "9.4 providelocalinfo Element" I use the code…
Joshua Berry
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forward SMS messages to EMail (looking for cheap way)

I'm not sure if this question is within the goal of this site, but I'm sure it has lots of smart IT guys that can help. I have about 50 phone numbers (real GSM SIM numbers, not VOIP), and I'm getting texts to all of them. Is there any possible way…
John Smith
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Get ciphering algorithm via AT Commands

I'm trying to get what kind of ciphering algorithm is used by a phone at the current moment via AT Commands. Usually it's A5/1 or A5/0. Has anyone faced a similar situation? Do you know any other way to get the algorithm? Thanks in advance.
tzoukos
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E160E USB GSM Modem Continuously Dumps Data Into The Serial Port

I'm using a python script to send using Serial , a simple AT Command in this case "AT". That normally returns OK , if everything is going well. The problem is that after a few seconds the GSM Modem Will Dump the following. RSSI:19 (yes i know this…
PythonWolf
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In Android, is there any way to retrieve the call forwarding number on GSM phones?

Since GSM phones have a separate call settings screen for call forwarding (and those settings, I believe, are stored on the SIM card), is there a way to retrieve the call forwarding info programmatically?
user496854
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Scrambling code in android

Can anyone tell me how to get the scrambling code of serving cell in android? I have tried getPSC() but it is always retrieving -1 . I am able to get neighbour cell psc correctly but serving cell psc is always giving -1.
Mohankumars
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ASP.NET How to wait for an event in a serial port

I have been asked by my supervisor to develop a web application using either ASP.NET and Silverlight.NET That manages a GSM modem through COM port, I have succeeded in performing most of the required tasks except the mail notification when a message…
Amine Zaghdoudi
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How to communicate with Telecom infrastructure using .NET

I am currently writing some pretty gnarly C#/C++/Cli code to interface with Telecommunication equipement and GSM Mobile Networks for a couple of the major telecom here and abroad. GSM networks primarily use SS7 Signaling using a protocol called TCAP…
Raiford
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ARFCN, TMSI, IMSI on android

I'm trying to extract the ARFCN TMSI and IMSI from an android phone connected to a gsm network. There is no documentation in the Android API to do so. I was wondering if anyone knew of a way to get any of this information. Any suggestions would be…
nwnoga
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How to disable gsm connection

I am writing an application for Android, and at this stage, I need help of an experienced programmer (I am only a beginner). Wrote a program to display the currently used base station (CellID and LAC), and display a list of neighboring base…
user1447242
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retrieve GSM CellId,mnc,mcc using java script

i am developing a mobile web application. i want to find the user current location even when device GPS is off. after some google search i found that opencellid database we can retrieve the latitude and longitude of mobile by passing cellId,mnc,mcc…
user1398109
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Proper text encoding for GSM Pdu 7Bit to avoid chars like “

I have a sending sms website, and when any user sends a message having “ or such similar characters, it does not accept it and create problems, that this character is not allowed in GSM 7Bit class. Can you please explain, how to remove or translate…
Muhammad Atif Agha
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bulk sms gsm modem

I am doing a project for sending bulk sms service.this is the concept create a website . Through this website the user will enter all their details so that only registered user can use my service.I ll get a service plan from any of the service…
asahwanthash
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Multiple pattern matching failing

I have a variable $data which contain a bunch of data; I want to mach if either of two pattern present in the variable the condition is true so i write the code like if ( $data =~ m/"Restore actions:"|"Setting Changes:"/) and I put a print…
user1068861
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