The job of BSC and BTS is to interact with the device via the cellular network. If the
mobile is out of range, the destination MSC will notify the SMSC when it comes
back in range; and the SMSC will resend the message. The SMSC typically stores the
message for one day, but the validity period can be set by the sender as well.
Sending Text Messages
[ 110 ]
Because SMS gateways are connected to many mobile networks, they intelligently
select the route to send the message through. SMSCs can also provide
acknowledgement of the message delivery and the gateway may pass it back
to the website.
If your head is not spinning with all the jargon, let's look at some more. If it is,
chill, it's only the jargon that's difficult. The fundamentals are easy to understand!
Check out the "Mobile Messaging Jargon File" box for some easier, more frequently
used terms!
Mobile Messaging Jargon File
Flash Message: Short message that is displayed immediately on receipt on
the mobile device's screen.
Mobile Originated (MO): A message sent (originating) from a mobile
device to an application or another device.
Mobile Terminated (MT): A message sent from an application to
(terminating on) a mobile device.
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