Reverse channel is a communication channel used for transmission of information from Mobile station(MS) to Base station(BS)

Access channel: On access channel mobile users communicate short messages such as information registration, call origination, and responses to pages, or providing other data to cell site. When mobile user places a call, it uses the access channel to inform the serving base station.

Reverse Traffic channel: This traffic channel carries the user speech or data. It is similar to the forward traffic channel and is intended to transfer dedicated user data. The traffic channels in reverse channel are unique to each mobile user.