Glossary (S)

SIM Card
Smart card that gives GSM phones their user identity. SIM cards make it easy for phones to be rented or borrowed.

Smart Phone
A digital cellular phone that has text-messaging, web access and other data services along with voice.

SMSC- (Short Message Service Center)
The hardware device submitting the messages. Currently, SMSC devices support binary formats. A software module called the SMS gateway is used to give instructions to the SMSC. The protocol described in this draft is proposed to provide a standard for service providers to interact with SMS gateways or SMS centers.

SNPP- (Simple Network Paging Protocol)
A sequence of commands and replies where pages are delivered to individual paging terminals. The most obvious benefit is the elimination of the need for modems and phone lines to produce alphanumeric pages, and the ease of delivery of pages to terminals in other cities or countries.

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