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I want to develop USSD application.

For example i want to create an functionality using which employee can send SMS with specific code for leave balance to particular number and my application will reply it after interacting with database.

Please do let me know if anyone has knowledge about this.

How should i start with this application?
Is there any apis required from service provider?
Is there any specifc hardware requirement for this?

Updated 1-May-20 22:30pm

You need to find a provider who can send you data when an SMS is sent to their service. If you want to reply via SMS, you need a service provider for that too ( could be the same people ). The rest seems simple to me.
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bbirajdar 28-Jul-12 7:43am    
agreed +5
Vijay Radia 6-Aug-12 1:15am    
I found following but response not coming from application.. if anyone can help.
Vijay Radia 10-Aug-12 7:25am    
ok got now, you need to have application server running.
USSD and SMS are different thing. I am also looking for how to inplement USSD applications. If anyone can help..
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Vijay Radia 8-Aug-12 1:23am    
Following working fine for me with JAVA Api for USSD Applications.. you can refer this.

I am looking for USSD in .NET if you find anything then please post it.
Check this out:

USSD on c# · GitHub[^]

I hope it helps you.
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