What is an SMSC?
A Short Message Service Center (SMSC) is a network element in the mobile telephone network which delivers SMS messages. It has SMS message forwarding and SMS message storing functionality. In more detail an Short Message Service Center (SMSC) is responsible for handling the SMS operations of a wireless network or an SMS service provider. When an SMS message is sent from a mobile phone (or from a computer), it will reach an SMS center first. The SMS center then forwards the SMS message towards the destination. An SMS message may need to pass through more than one SMSC, before it reaches the destination. The main role of an SMSC is to store and forward SMS messages and regulate the process. It also provides billing support for the carriers. If the recipient of an SMS messages is unavailable (for example, when the mobile phone is switched off), the SMS center will store the SMS message for a period of time. This time can be adjusted by the message sender the network maximum is usually one