End to End Call Flow of Short Message Service(SMS) - How SMS works part iii

Here we continue about SMS flow until sending message to destination number. Please see previous articles for overview SMS and how to send SMS to SMS Center.
In the previous articles, we discussed how SMS arrive to SMS Center. This flow mentioned as Mobile Originated (MO). Now we try to discuss about Mobile Terminated ( MT ). What is MT message ?

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November 26th, 2009 | Tags: , , | Category: Messaging / SMS | 4 comments

End to End Call Flow of Short Message Service(SMS) - How SMS works part ii

In previous article, I’ve already explained basic overview of SMS messaging services in an operator. Now we’ll see deeper for SMS flow and how it works.
Just see in the picture below :

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November 24th, 2009 | Tags: , , | Category: Messaging / SMS | 5 comments

End to End Call Flow of Short Message Service(SMS) - How SMS Works

I think everyone in whole world know about SMS, they use it to tell something about their works, relationship etc to others. Every mobile operator in the world should have SMS services beside the voice. With voice they can real time communication in same time, but in SMS we just send our message and wait whether it delivered or not. Some question often arises is how SMS works ? why my message not delivered to my friend ? why sometimes the message just arrived to my friends in the next hour not real time ?
Here I just try to explain the basic SMS flow and works in our mobile operator to make understand us as a mobile subscriber.

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November 23rd, 2009 | Tags: , , | Category: Messaging / SMS | 10 comments
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