ATCommands

Need Help on Microprocessor Programming

27 Oct 2010 by Ankur^\m/

Well, I have no idea about the project you are working on, but I can help you with AT Commands and sending receiving SMS part.Introduction to AT Commands[^]Read the whole tutorial from the above site. It explains AT commands and it's use in sending and receiving SMS very well.This...

microcontroller

How to use serial port and AT Command in c# ?

4 Jul 2015 by OriginalGriff

Google is your friend: Be nice and visit him often. He can answer questions a lot more quickly than posting them here...A very quick search gave half a million hits: Google "serial port and AT Command c#"[^]In future, please try to do at least basic research yourself, and not waste your...

serial-port

How to Parse PDU String from AT Commands?

15 Oct 2015 by Andreas Gieriet

Replace the double \ by one \. You are in a C# verbatim string (@"..."), so, each character is taken as is - no escaping needed (except for " which must be doubled for escaping). See also Escaping in C#: characters, strings, string formats, keywords, identifiers[^].CheersAndi

parsing

writing tilde (~) character on an AT commands

28 Oct 2015 by Jochen Arndt

SMS use specific character sets where the basic 7-bit set which must be always supported is not identical to ASCII. See the Wikipedia[^].So you must encode your message string according to the used GSM encoding scheme.[EDIT]You might have a look at the CP article Library for...

GSM

reading and sending sms through p300u edge modem

31 May 2010 by sinaku08

Hi all,I am trying to send SMS through p300u edge modem but it is showing an error +CMS Error :518. Here I am changing the message format into text mode by giving the command AT+CMGF=1, and it is giving OK response.But while reading the SMS it is showing in number format and I am unable to...

C# and AT Commands : Receiving SMS

31 Jul 2010 by jazzalange

Hi allCurrently I have a LEON-G100 quad-band GSM/GPRS Data and Voice Module. This has been integrated into a 'Serial Bridge' that allows me to simply pump through and receive text from the modem. The modem handles all of its own operations, I simply control it using AT commands.It was...

C#4.0

Need Help on Microprocessor Programming

27 Oct 2010 by Be Yourself

I am totally new to these commands and am going to start a project which is as follows:I am going to work on a project that will turn on or off the electrical equipments in your home by sending "sms" from your personal cellphone to the home cellphone.For this I require two modems .One...

microcontroller

SMS in VB6

1 Feb 2011 by Dave Kreskowiak

Noone is going to GIVE you any code for this.Also, demanding that someone respond "immediately" is extremely rude. We volunteer our time here. We don't get paid to do this.

AT commands for GSM mobile

26 Mar 2011 by cosiqsi

The mobile I´m using doesn´t support the command at+clck (for barring options) or at+ccfc (for forwarding options) so I send atd , but after this the mobile shows a notification that the service is active, so the question is:how do I close...

AT Command Network Registration problem

10 May 2018 by ganesh_IT

Hi guys, i need to send SMS using GSM Modem. My modem is D-Link and model number is DWM-151.I have successfully completed the SMS sending process but the problem is, some time modem is failed to registered with the GSM network service provider.AT+CREG?returns 0,0modem is not...

Send SMS using AT Commands

20 May 2011 by thatraja

I just found these in CP searchSend and Read SMS through a GSM Modem using AT Commands[^]vb.net AT commands to send SMS[^]For more[^]

AT Commands over Serial

7 Jun 2011 by Member 7986338

How do I send at+cmgd=1,4 to a gsm modem connected to comm 6 via C++?

AT Commands over Serial

7 Jun 2011 by Kim Togo

You have to open the comport/serial port and set baud rate etc.When you have opened the port. You can then write AT commands.

AT Commands over Serial

7 Jun 2011 by Stephen Wiria

Use this: Win32 SDK Serial Comm Made Easy[^]Now you see it's very easy to delete SMS :)

AT Commands over Serial

7 Jun 2011 by Member 7986338

I am new to using c++, could you help me with the code to do this?

Reading SMS messages from sim via serial port in Linux using C

4 Jul 2011 by Edem Kofi

Hi,am trying to read sms messages via serial port in linux a from a sim card which i have placed inside a huawei 3g usb modem. i have to execute the script a number of time before some of the sms messages are displayed on the screen. At times it displays unusual characters. All i want to do is...

Linux

Reading SMS messages from sim via serial port in Linux using C

4 Jul 2011 by Richard MacCutchan

You are not checking the message returned to filter out any control characters or verify that your received message is complete. Check this document[^], and any other resources that Google may find for you.

Linux

Send SMS using tata indicom cdma 1x cdma modem USing AT commands

22 Nov 2011 by prathameshpitale

Hi,I want to send sms using TATA inducom CDMA Modem, Can you guide me how should i start?I dont know Baud rate, Parity and Stop Bit for this modem. Is AT Commands applicable only for GSM or is it same for CDMA?I made a connection using SerialPort. WHen i send AT to modem, it replys...

C#3.0

Send SMS using tata indicom cdma 1x cdma modem USing AT commands

23 Nov 2011 by _Tushar Patil

Refer This Links......Send and Read SMS through a GSM Modem using AT Commands[^]

C#3.0

How to check xbee module to separate PCs?

12 Jan 2012 by harikreshna

After configuring properly the my x bee modules, I want to test it by look-back communication.How can I test it using hyperterminal when both modules are connected on separate PCs?What specific hyperterminal commands should I use?tnx ^_^

How to check xbee module to separate PCs?

14 Jan 2012 by jinzai

You have one XBee's DOUT and DIN pins connected, correct? This one is only connected for power purposes.HyperTerminal should be set for 9600bps, no flow control, 8 data bits, 1 stop bit and no parity. Then you just type away.

26 Feb 2012 by jayasathish

hello sir can any one pls tell me to read the messages using AT commands in nokia X2-00

26 Feb 2012 by Chandrakantt

I think below provided link can help you reading messages from your mobile using AT command.Send and Read SMS through a GSM Modem using AT Commands[^]http://www.smssolutions.net/tutorials/gsm/receivesmsat/[^]

26 Feb 2012 by Dhol Gaurav

Nokia PC Suite API are available at below path, you can do more stuff using below API.Download Nokia PC Suite API [^]

20 Mar 2012 by sathishdinesh

hi friends my samsung GT-C3010S is perfectly acts as a gsm modem.Using this mobile am able to read the message, and send the message, and all AT commands are perfectly working.Thank you,Sathish.N

How to make an IVR call using AT Command

17 Jun 2012 by IT-NEWBIE

Hi All,I'm using GPRS MODEM(WS-8001 AS) and testing AT Commands.Now, I want to make a call to customer care from my GPRS MODEM.I tried ATD(); It returned "OK" for me back.As per this reference I followed to proceed to send further...

AT commands for GSM mobile

15 Oct 2012 by ahmedbarca23

strcommand = string.empty ("AT+CUSD=1," & Chr(34) & "*100#" & Chr(34) & ",15" + Chr(13))le réseau me repond : 1 : choix1 2 : choix2 répondre ? La question est comment répondre, est ce avec AT+CUSD ou une autre commande? et es-que je peu envoyer les deux commandes ou même temps ...

Send SMS via modem gsm(huawei E220)

3 Jan 2013 by zakixavi

hi i am devlopping an application that send automatequelly SMS usinn a GSM modem connected with a pc with windows seven ;there snt hyperterminal in windows seven i find a version(yperterminal private edition)but i dont know how to use it for sending SMS other question AT commands where i...

didn't display sms in program using AT command

6 Jan 2013 by fahimeh.zarei

i download send and receive sms using AT command in C# winform from [] http://www.codeproject.com/Articles/38705/Send-and-Read-SMS-through-a-GSM-Modem-using-AT-Com but in receive tab , didn't display sms in page!!please help me. why didn't display sms in page?

GSM based motion detector project

10 Jan 2013 by Maxwell Ogos

i am making a project based on GSM which operating with a motion sensor. i am using PIC18F4550 microcontroller. i really dont know how to create the program code especially the ATcommand. could you guide and help me?

GSM based motion detector project

20 Jan 2013 by Grasshopper.iics

I think OP wants to read the data through Motion sensor in Microcontroller and then send the same data over GSM modem. He has not specified his language ( Keil C or assembly).for OP,You need to first use an ADC with PIC. Give output of sensor to ADC. 10 bit ADC goes to 10 bits of DIP...

How to change read SMS From SIM Memory To Phone Memory

21 Feb 2013 by dilzz

Dear Experts, I have a doubt in Reading SMS From mobile devices. I got a good article from this site.Send and Read SMS through a GSM Modem using AT CommandsI have downloaded the sample project and it is working fine. But in this project I have a doubt ,How to change reading SMS...

How to read IMEI number of android device from C# in desktop application?

29 Jul 2013 by Harshad-HBK

I have a desktop app which is used to read IMEI of cell phone. Framework : 4.0; Language : C# Basically it retrieve IMEI of cell phone & sync on server.Currently able to retrieve IMEI of non-android phones(MTK, Symbian, BADA), but not with android smart phones.Used serial port & ATC to...

.NET4

Knowing the sms number

4 Jan 2014 by Member 10502660

I am a retail airtime seller in Srilanka. I want to know whether there is a way to do airime reloading via a computer application instead of doing it by the phone.

Knowing the sms number

4 Jan 2014 by OriginalGriff

Most airtime carriers provide an internet site which allows you to "top up" online. It should be possible to interface to such a site using software (provided it doesn't use a captcha, and some do) and submit your card details that way. Personally? I wouldn't do it. My bank card info is not...

AT+CMNI doesn't store SMS in modem

11 Jul 2014 by Apaachee

In my SMS application, I read the COM messages with the following function :void port_DataReceived(object sender, SerialDataReceivedEventArgs e){ if (e.EventType == SerialData.Chars) { string t = _sp.ReadExisting(); Debug.WriteLine("message recu : " + t); ...

C#5.0

How to Parse PDU String from AT Commands?

15 Oct 2015 by George Jonsson

This regex should work if the only thing you want is the long hex-string.\\r\\n[0-9A-F]+\\r\\nor\\r\\n[0-9A-F]{10,}\\r\\n //At least 10 charactersYou can probably skip the \r\n as well.

parsing

writing tilde (~) character on an AT commands

28 Oct 2015 by Mshadow17

Hi,I have a project where I need to send an Text Message (SMS) to any mobile number using itegno 3800 GSM modem attached to a USB cable.I can send SMS for only ordinary message like alphabet and numbers.my problem is when i used to send a message containing (~) character it doesn't...

GSM

How do i get number on first or second ring from usb modem in c#

11 Feb 2016 by markwhite1

Hi, I made a caller ID app using C# 4.5. I am able to get phone number , however, number I get is on 3rd or 4th ring .I would like to get Number on first or second to avoid call drop or delay in picking up.Here's my code :using System;using System.Collections.Generic;using...

How do i get number on first or second ring from usb modem in c#

11 Feb 2016 by markwhite1

Figured out the solution instead of :string x = sp.ReadLine(); I wrote :string x = sp.ReadExisting();And by this I am getting whole data at once.

Why is it error when I use the "at command "in the C#, but does the command work properly in the hyper terminal ?

C++ all at command's for SMS return's ERROR

12 Jul 2017 by Member 13294153

Hi there! I'm creating windows application in C++, which connect's PC with mobile via bluetooth and winsock. Allow's you to call and send messages from mobile via computer. I'm using AT command's to tell mobile what i want to do. Pair with mobile device and force a call with At command ...

C++ all at command's for SMS return's ERROR

12 Jul 2017 by KarstenK

Sending modem commands to a bluetooth device sounds a bit weired. I think you are using bad commands, so read the article Send and Read SMS through a GSM Modem using AT Commands to learn more about this issue.

31 Mar 2018 by mohamadMahmodi

comport.WriteLine("AT"); System.Threading.Thread.Sleep(1000); comport.WriteLine("AT+CMGF=0" + (char)13); System.Threading.Thread.Sleep(1000); string s2 = "AT+CMGS=" + messageLenght.ToString(); comport.WriteLine(s2 + (char)13); ...

Why is it error when I use the "at command "in the C#, but does the command work properly in the hyper terminal ?

31 Mar 2018 by User 11060979

Try to send "AT+CMGS=" as one string. You are using WriteLine which does append a itself which ends finally in that you send something like this *1): "AT+CMGS=" *1)string s2 = "AT+CMGS=" + messageLenght.ToString();...

At command problem in the result of an USSD code

20 Apr 2021 by Unique Stories

Hi i'm a biggner in AT command and i want to know my balance using hyperterminal note that Send:AT+CSCS=? Recieve: +CSCS: ("UCS2","GSM","PCCP437","PCDN","IRA","8859-1","HEX","UTF-8") even on changing CSCS to other result will be same as it...

GSM

Why at commands give different results on different devices

20 Apr 2023 by Aryaveer Chaudhary

I wanted to know on which sim i am getting a call if i have a dual sim device over a bluetooth connection with AT commands.I am sending AT commands to an android/ios device from windows over a bluetooth(hfp) connection and when I checked some AT...

Bluetooth

25 Apr 2013 by Orcun Iyigun

Here is a good article for you to read as a starter to get the basic idea: How to Receive SMS Messages Using a Computer / PC?[^]And example thread to give you a sample code: receiving SMS using AT COMMANDS[^]Good luck,OI

open tcp port using AT Command?

14 Jul 2011 by 01.mandar

how can i open TCP Port on AMOD GSM device using GPRS?i am able to send data from my AMOD GSM Device to some static ip server with some port no.AT+AIPO=1,,"14.97.98.47",8080,0server ip =14.97.98.47port 8080Working(can send data ):From Device => To ServerNOT Working...

How do you check if a SIM card is busy with an incoming call?

24 Jan 2012 by obhasha07

Hi guys and gals, I'm creating an application to send text messeges via a portech MV-374 VoIP GSM gateway. Sometimes my client's customers mistakenly gives calls to the gateway device and this somehow interrupts the execution of the AT commands which sends text messages to customers....

How to read IMEI number of android device from C# in desktop application?

29 Jul 2013 by ridoy

Check these whether can help...

.NET4

open tcp port using AT Command?

13 Sep 2011 by Rakesh Meel

ACM8068 is a small-size and low-cost quad-band GSM/GPRS modem module. By using the ACM8068, you can deliver world-class performance in M2M, mobile voice/data and public phone applications.Unparalleled quad-band RF performance and sensitivity of ACM8068 result in expanded GSM network coverage...

AT Command Network Registration problem

10 May 2018 by Member 13822133

AT+CREG? +CREG: 1,0 OK The device is not registered and is currently NOT searching for a new operator to which to register.

SMS in VB6

1 Feb 2011 by murthymb@yahoo.co.in

(How to send) SMS with alpha sender ID. Requesting immediately using VB6. Source code request.

25 Apr 2013 by Bishoy1985

I want the complete syntax for using (at commands ) to read messages from phone in c# windows application.Here is the starting code, please complete it to me if you can:SerialPort port = new SerialPort();if (sp.IsOpen){ sp.Close();}sp.PortName = "COM14";sp.BaudRate =...

25 Apr 2013 by Bishoy1985

sorry but i tried to use that but I don't know how to continue ,,, I will show you the starting code and please complete it to me if you can.[EDIT]Code block moved to question.[/EDIT]

How to use serial port and AT Command in c# ?

4 Jul 2015 by Mohammed-cd7

How to use serial port and AT Command to make a call ?

serial-port

Send SMS using AT Commands

20 May 2011 by prathameshpitale

Hello,I have a Modem Micromax 611U, Can any help me starting how to use this modem to send and Recieve SMS using c#.net?Any Article do you know for the same?

didn't display sms in program using AT command

6 Jan 2013 by OriginalGriff

Don't post this under Quick Answers - if you got the code from an article, then there is a "new message" button at the bottom of that article, which causes an email to be sent to the author. They are then alerted that you wish to speak to them.Posting this here relies on them "dropping by" and...

25 Apr 2013 by Bishoy1985

Dear SoMadfirstly ,I wanna thank you for your notice although you seem angry.secondly , you interested in commenting on my way of writing but you didn't help me about my main topic.finally thanks again and please if you have a good help for my question please give me your help.

Syriatel USSD at+cusd command response decoding

13 May 2014 by Member 10809865

HelloI'm using at command to control a Nokia mobile phone as a modem.My program involves with sending multiple ussd requests.The response of MTN is decode-able, but with SYRIA-TEL is another situation.the response is like this :at+cusd=1,"*150*2*32391*69177*1#",15+CUSD: 0,"ar?hb?...

How to Parse PDU String from AT Commands?

15 Oct 2015 by Mshadow17

Hello, can you share my the code on how to get only the certain string?this is the whole string.AT+CMGL=4\r\r\n+CMGL: 1,2,,48\r\n079136190800101011000BA19084537777F70008AA2200540065007300740020004D0065007300730061006700650020005000440055002E\r\n+CMGL:...

parsing

send message of multiple pages using AT commands from mobile via PC

31 Jul 2016 by Member 12449611

port.Write(message + (char)(26)+"\r\n");//trythisone

C#4.0

Why at commands give different results on different devices

20 Apr 2023 by Dave Kreskowiak

Did you Google for "AT+CNUM" and start looking at the discussions other people are having on it and its responses? I'm guessing you didn't.

Bluetooth