SMSC Service Centre
SMSC is a combination of hardware and software responsible for the relaying and storing and forwarding of a short message between an SME and mobile device. Main functions of the SMSC are is the relaying if short messages between SME’s and the storing and forwarding of messages if the recipient SME is not available The SMSC may be integrated as a part of the mobile network (e.g. integrated to the MSC) or as a independent network identity
The SMSC must have high reliability, subscriber capacity, and message throughput. In addition, the system should be easily scalable to accommodate growing demand for SMS in the network. In theory one single SMSC can manage SMS for several network operators ,however this is rarely implemented in real life
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