<P> GPRS extends the GSM Packet circuit switched data capabilities and makes the following services possible: </P> <Ul> <Li> SMS messaging and broadcasting </Li> <Li> "Always on" internet access </Li> <Li> Multimedia messaging service (MMS) </Li> <Li> Push - to - talk over cellular (PoC) </Li> <Li> Instant messaging and presence--wireless village </Li> <Li> Internet applications for smart devices through wireless application protocol (WAP) </Li> <Li> Point - to - point (P2P) service: inter-networking with the Internet (IP) </Li> <Li> Point - to - multipoint (P2M) service: point - to - multipoint multicast and point - to - multipoint group calls </Li> </Ul> <Li> SMS messaging and broadcasting </Li> <Li> "Always on" internet access </Li>

How did general packet radio service (gprs) help to improve a gsm network