• GSM Modem (SMS) 1
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GSM Modem (SMS)

GSM Modem (SMS) android app designed for students who are working on projects and want free SMS sending and free SMS receiving functionality in their projects.

GSM Modem (SMS) exposes set of APIs for two possible operations.

1. Sending SMS (from your project using JSON APIs).
For Example::
http://192.168.1.102:8090/SendSMS?username=sadiq&password=12345&phone=0300xxxxxxx&message=Text-Message

2. Receiving SMS (in your project).
For Example::
http://192.168.1.104/sindhitutorials.com/public/api/test

Supported Languages: Java, Spring, C, C++, PHP, Laravel, Codeigniter, C#, ASP.NET etc.

Category : Tools

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Reviews (30)

A. G. u. Jan 5, 2020     

Good App! very helpfull But there are some problem 1) if u have dual sim phone, it will tell you that message has successfully sent but message will not b sent. although SIM settings are perfect in mobile to send SMS from specific sim 2) message success msg browser tab sould be closed auto in specified time like 3 or 5 seconds. some javascript will easily do this. Kindly consider above & solve these to polish experience. Great App!

A. G. u. Oct 20, 2019     

Good App but I have a problem! I have successfully installed your application along with its tool but my Android is not sending the messages and when I check in default messages app, I see my message (that I has sent through your URL) but default messages app is showing “Not sent. Tap to try again”.

A. G. u. Jan 28, 2020     

Everything works perfect. Except that program doesn't send any sms messages after 24 hours and you must kill and restart the application. Hope there is a fix for that

A. G. u. Jul 3, 2019     

i have successfully installed and run it. my only problem is it sent 4x messages in one go. i thought i just clicked it multiple times, but when after playing it for while, it really does send 4x. i hope you can help me with my concern. thank you

Ada. Mar 12, 2021     

That app could be 100%, but cant access my phone on 0.0.0.0 from outside, and it's not on wifi just on 4G.. Would be great if the app can get an url every 10seconds, getting the text.. thanks!

A. G. u. Apr 24, 2019     

I was able to set up in less than 5 minutes. Super awesome. Just one request. Please make the sending of sms to be a rest POST and not HTTP GET. Its easy for passwords to be picked by someone using a network sniffing tool e.g wireshark

A. G. u. Jun 20, 2019     

Great app. I was able to send sms to multiple numbers. But I can only send 60 characters per message. Should use GSM-7 encoding.

Md. J. A. Oct 18, 2021     

This app is so cool. I like it. Is it possible to create another version for different network? I mean mobile device and laptop are on different network and also can be use cellular data package.

A. G. u. Oct 8, 2019     

It works but if you have higher android version like 7, when you send lots of sms at once andriod keep asking for permission for allowing app to send sms.To avaoid it use lower andriod versions

A. G. u. Sep 30, 2018     

it is best app. one of my student used in final year project. app support is also great. we have found alots of guildes and YouTube videos.

A. G. u. Sep 30, 2018     

The app is good for specially pakistan but there is some bugs needs to be cleared in future update. #1 this app is not working in background #2 when off the modem its not showing off in title

A. G. u. Mar 19, 2020     

Work only, when mobile is connected to wifi. While using mobile data it shows error, unable to connect network. Why it is not working without wifi network?

Ast. D. Jan 18, 2021     

This app tries to get around googleplay security by being a front for the "real" app which it requires you to download from outside of googleplay. Hard to trust this.

A. G. u. Apr 24, 2019     

Best app for local sms gateway. But not work in redmi note 7 pro cause it hasn't default sim1 or sim2 option. How to use that

Md.. T. A. T. Apr 17, 2022     

Doesnt work at all, waste of time and bandwidth

Yon. A. Jul 30, 2020     

I have downloaded gsm helper tool and i have followed the whole step like how you did but still it fail to send text and no any error that comes to may code

A. G. u. Jan 2, 2020     

Its so good. But can you Please make it for 2 sim connection? Its only send sms from one sim. But Android have 2 sim card slot.

Mla. B. Jan 6, 2022     

It works, we are using it for years, it would be better if supports MQTT

San. S. Mar 3, 2021     

All it requires now is to be able to run the app in background. Please tell me is this possible and can I configure and use as a service in webapp without any intervention?

Roo. K. Oct 13, 2020     

It s a great app But only problem is when app is minimized service won't work getting timed out exception

Bea. T. S. Aug 4, 2021     

When I run the json send samples on browser it says 192.168.1.28 refused to connect. I already started the modem but still error persist. Please help.

Vyl. Sep 21, 2021     

Works as intended but takes a suspicious amount of data. It should not take that amount of data

A. G. u. Apr 15, 2020     

For me its also not working if I am using mobile data... Why I have to connect with wifi ? Plz update your app to work with mobile data also

A. G. u. Oct 30, 2019     

Amazing app, problem is that it doesn't have all the functionality sms gateway should have

A. G. u. Feb 7, 2019     

why a error mesage saying unable to connect network is appearing when i try to start the server

Kam. S. N. May 6, 2020     

Working.... super... thanks a lot Please develop this using data cable

A. G. u. Mar 14, 2019     

i'm giving u one star because there are so many apps like this already i'll rate you 5 stars and can pay if You can bulid an app like this which would work from live server in Pakistan

A. G. u. Mar 10, 2020     

Unable to connect network , every time :(

A. G. u. May 23, 2019     

can't connect to network. Any help how to connect to network?

A. G. u. May 5, 2019     

It is working great. Now need to send sms to multiple recipients