Sending Bulk Sms Using VB.NET

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Good Day to all Code Project Members.

This is my first month in my new job i am from Philippines, My boss asked me to develop a billing system with SMS service which can send bulk sms messages using Visual Basic .NET to their clients, but i do not know which should i use is it Broadband?Modem or Online SMS services like CHIKKA.com

Is there anyone here who can advise a reliable tool that i can integrate to vb.net to achieve the goal of sending sms services and if possible receiving sms messages as well.

I am considering to buy or purchase a Broadband,Modem or Online SMS services which can handle warranties and support to their products and services as well.

Also i am also considering the software development time if that third party app will have their own source code commands or SDK's that i should study i would be glad to hear which one is best and outstanding at all

Please if there are people here who have the experience developing similar application to mine a am very much in need to hear your advice.

Thanks and have a blessed day.

Posted 25-Jun-12 7:54am

JMAM

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Tim Corey · Answer 1 · 2012-06-25T08:06:00

Personally, I've found that online services are the best way to proceed with this type of application. I've used the modems with the sim card insert and they are messy and slow. Currently, I use a service called Twilio[^]. They are excellent at customer service and they support a wide range of applications through their API. They have sample source code for C#, so it wouldn't be a big deal for you to translate a working sample into VB.NET.

I did come across another company that seems to be similar to Twilio. I have not used them yet, but they might be cheaper for international texts (that is, outside the US) and they might be better at the speed at which you can send texts. Here is their site:

https://www.tropo.com/[^]