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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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Communicate my cell phone with my laptops in cell phone frequency?

Every communication that is made without cable, everybody can listen but not everybody can understand. So, when I call someone with my phone, or send a sms my cellp phone send information, I want that my pc know this (I know that both have to the…
Juan Pedro
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A7672S not connecting with jio sim

I bought A7672S module from ktron, I have attached the product link here:https://www.ktron.in/product/sim-a7672s-4g-2g-lte-development-board/ At first it was working well with jio sim, but after few days of working with it, suddenly the netlight did…
Srinigish Creativity
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TinyGSM not able to connect to a network after adding code to the Arduino Loop

I got the TinyGSM MqttClient.ino example working. But if I added my own code to the void loop() I started to see some really bizarre / weird behavior with this library. Added some functionality which is working just fine with Ethernet Shield +…
Jüri Bogatkin
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How to concatenate a int/float value with a string within double quotes using arduino ide

I am trying to send my sensor data through gprs using esp32 and ai thinker a9 gsm module. I want a variable of type int/float (int) to be added between the string as follows: post = ""{"nodeId": "32456781xxxxxxx", "value": {"temperature": int…
Deep Bhavsar
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Error when sending long SMS message

I am doing a long SMS project but I have encountered some problems. I am able to send 2 SMS messages as one long message, but the text that appears doesn't seem to be right. I know there is an error at A0 indicating a 160 word so the SMS has a @…
metaxploit
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How to get a remote GSM module IP address while knowing only its phone number?

I have a gate opener module which I call to open my gate. The module also have the ability to communicate over Cellular Data, in fact the module's vendor is able to connect to my module over the Internet only by using the SIM phone number which I…
Nino
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This code should upload a value to a database through a php file

I'm using an arduino and an Ethernet shield to upload data to a server. Lately i changed from using a local database to use a web hosting service (000webhost) but i can't make it work, no errors are shown in the Arduino IDE but it just stops in the…
Medina Nualart Martin
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Define Pin RX, TX Without SoftwareSerial Arduino

Hi I did 2 diferent codes, then after verifying that they work i try to combine them and I got a problem. I used GSM.h to controle my GSM module, and to controle the GPS I used the SoftwareSerial.h. I tryed to combine these to codes and this 2…
Manuel Ribeiro
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How to reinitialize SIM card from application?

I have a problem writing application for android phone. I need my app to reinitialize all data from SIM card onto a phone - so it would be like a restart without a restart of the phone itself. I know that going to plane mode and back does not help -…
szefuf
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How do I open and use old ANSI C code from 1996 on a Mac?

For a uni project I have to use the ANSI C code supplied in the GSM speech coding standard from 1996. the zip archive can be found here https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=281 I have a…
Henrik
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Sending SmS from Asp.net c# Web site without using external sites

I want to send sms from asp.net c# website , but I don't want to use any external sites as Twilio
sara adly
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JAVA - sending an SMS using Java application using a dongle

I have developed a JAVA application and I need it to send reports/notifications through SMS. How can I do it using a GSM dongle?
Wonderful Kunje
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Sending and receiving data from a server using gsm modem using gprs

I am trying to use gprs for remote monitoring using quectel m95 and pic controllers. I know a little bit of http commands used for this purpose and we can send data and receive data from server using http POST and GET commands. Now my application…
Sanky
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How to find the tower location in android

I need to find the address of the tower under which the android phone is located. I don't need to find the latitude or longitude or Location Area Code but I need the Address. Please help me out.
Abhishek E H
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How to read my USIM with my PC

I'm trying to modify my USIM(with GSM 11.17 or ETSI TS 136) I know there are some Hardwares called SIM Reader(http://www.sim-reader.com/). But I have a 3G Phone with a USIM and its USB cable. With all of these if I can accese a USIM then maybe I…
user3125048
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