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Wednesday, May 23, 2018

What is SMSC number : Indian Mobile Operators - How does it work and how to change SMSC Number in Android phones

A Short Message Service Center (SMSC) is a network element in the mobile telephone network. Its purpose is to store, forward, convert and deliver Short Message Service (SMS) messages.

The flow of message in mobile network system happens as follows:

  1. From mobile to another mobile - referred to as MO-MT (Mobile Originated - Mobile Terminated)
  2. From mobile to a content provider (also known as Large Account / ESME) - referred to as MO-AT (Mobile Originated - Application Terminated)
  3. From application to a mobile - referred to as AO-MT (Application Originated - Mobile Terminated)


We should remember that An SMS message is stored temporarily in the SMS center if the recipient mobile phone is unavailable. It is possible on most mobile handsets to specify an expiry period after which the SMS message will be deleted from the SMS center. Once deleted, the SMS message will no longer be available for dispatch to the recipient mobile phone (even if it comes on line). The validity period should be regarded by the handset user as a request, as the SMSC itself can be configured to ignore or otherwise handle message delivery schedules.


Sometimes you face problem in sending SMS or Changing SMS center number. While sending SMS you will get ‘unable to send’ error, this Error is mainly caused by Mobile SMS center number is changed. You can change this number in your mobile Network/SMS settings


Following is the list of SMSC numbers (latest) for leading mobile operators in India:

  • Aircel sms center number +919809099060
  • Airtel sms service center number +919895051914
  • Jio sms center number +917010075009
  • BSNL sms center number +919440099997
  • Idea sms service center number +919847099996
  • Reliance sms service center number +919020000500
  • Tata Docomo sms service center number +919032055002
  • Uninor/Telenor sms center number +919084051550
  • Vodafone SMS center number +919846000040


An SMS centre (SMSC) is responsible for handling the SMS operations of a wireless network.

  1. When an SMS message is sent from a mobile phone, it will first reach an SMS centre.
  2. The SMS centre then forwards the SMS message towards the destination.
  3. The main duty of an SMSC is to route SMS messages and regulate the process. If the recipient is unavailable (for example, when the mobile phone is switched off), the SMSC will store the SMS message.
  4. It will forward the SMS message when the recipient is available and the message's expiry period is not exceeded.

Guess what! This completes the full information you should know.

1 comment:

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