# Interim Standard 95
## Introduction
An American standard used to implement [2G](../Telecommunications/2G.md).
Uses [CDMA](Code%20division%20multiple%20access.md)
## Forward vs. Reverse Link
Forward link means Base station to Mobile Station.
Reverse link is mobile station to base station.
## Idle Mode - you aren't transmitting
You aren't talking on the phone - you won't aren't engaging in handoff.
# References
1.