Evolution path for radio systems: from voice via data to multimedia
1st generation: Analog voice
- Nordic Mobile Telephony (NMT)
2nd generation: Digital voice and low-speed data
- Global System for Mobile Communications (GSM)
- High Speed Circuit Switched Data (HSCSD)
2nd generation evolution: Packet-switched data
- General Packet Radio Service (GPRS)
- Enhanced Data Rates for Global Evolution (EDGE)
3rd generation: Wireless multimedia
- Universal Mobile Telecommunications System (UMTS)