GSM:
Global System for Mobility
What:
An advancement on TDMA and CDMA in that it is a Global
Standard for digital voice and data transfer. It basically
uses a more sophisticated but standardized set of
hardware and software to better manage the switching
of voice and data
Access: higher quality voice
and data transfers. Better support for data sessions
and multimedia messages. Better access to services
like SMS text messaging, three-way calling, etc…