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What is GSM?- Short form of Global System for Mobile Communications, is a wireless network system
- A standard for digital cellular mobile communications
- International roaming arrangements are enabled among mobile network operators, by providing the subscribers to use their personal mobile phones anywhere in the world.
- GSM is considered as second generation mobile, as signaling and speech channels are digital
- The carriers can be replaced without replacing mobile phones.
- The ubiquity of GSM implementations is also enabling the switching between network operators, who can choose equipment from many GSM equipment vendors.
- GSM pioneered low cost SMS implementation
- The GSM standard includes a worldwide emergency telephone number feature.Explain the services offered by GSM.- The services offered by GSM are ISDN compatible
- GSM allows synchronous data and asynchronous data to be transported as bearer service, one of the telecommunication services offered by GSM, and forms ISDN terminal
- The data could be either transparent service or nontransparent service
- Telephony is one of the services offered by GSM, which an emergency and the service provider is notified by dialing 3 digits
- By using appropriate fax adaptor, G3 fax service is supported
- One of the features of GSM is Short Messaging Service
- Certain services, namely supplementary services are provided on top of teleservices or bearer services by GSM, such as, caller identification, call forwarding, multiparty conversations, barring outgoing calls and call waiting.
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