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EACH - Enhanced Access Channel

A reverse channel used by a mobile station for communicating to the base station. The EACH operates in the Basic Access Mode and Reservation Access Mode. It is used for transmission of short messages, such as MAC messages, response to pages, and call originations. It can also be used to transmit moderately sized data packets.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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