From Code Project : .NET and SMS Messages

The Author PooranPrasad has compiles a concise article on setting up SMS messaging for applications.

Full article Here.

When do you want to send SMS via applications? There could be plethora of use cases for this. The simplest one is to validate a mobile number, and some of the complicated ones could involve sending an SMS after a huge workflow is complete or gone wrong. Let’s find out ways to send SMS using C#/VB.NET.

Sending SMS
What are the ways in which one can send SMS?

Using a GSM modem:
Better when one wants to implement offline applications and a very small number of SMS go every minute, usually few 10s.

Using web service:
Better when it is an online application and a very few number of SMS go every minute, usually few 10s.

Using endpoints given by service the provider:
Better when the number of SMS exceeds a few 100s per minute. Service provider demands a commitment of at least 100,000 SMS per month.

Sending SMS via a webservice or endpoints is simplest. In contrast, sending SMS via GSM modem has a few additional steps to take care of. Let’s understand each in detail.

Full article Here.

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