GSM Services

GSM is the most successful digital mobile telecommunication system in the world today. It is used in more than 190 countries. GSM permits the integration of different voice and data services and the inter working with existing networks. Services make a network interesting for customers. GSM has defined three different categories of services: Telephony (also referred as tele-services) Services Data (also referred as bearer services) Services Supplementary Services 1. Tele-Services or Telephony Services : GSM mainly focuses on voice-oriented Teleservices. These comprise encrypted voice transmission, message services, and basic data…

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