# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Idle mode or Idle State

Whilst in GSM or UMTS idle mode, a mobile shall implement the cell selection and reselection procedures. The mobile has registered on the network, and is listening for paging messages. The mobile will be performing location area updates when necessary. The idle state in GRPS indicates that the mobile has not yet registered onto the network or is switched off.

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