What are the GPRS network functions?

The GPRS system is an integrated part of the GSM network switching subsystem. The network provides mobility management, session management and transport for Internet Protocol packet services in GSM and WCDMA networks . The core network also provides support for other functions such as billing and lawful interception.

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What do you mean by 2.5G and 3G?

2.5G speeds can run as high as 56 kbps through compression software but they really connect at speeds between 25 to 50 kbps. 3G: Third generation also is digital but it promises to produce high standards of service, including streaming audio and video and promises quick download times.

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