CCCH in GSM

CCCH stands for the common control channel in GSM.

GSM  common control channel ( CCCH ) is used for conveying from network to the mobile subscriber and provide access to the mobile subscriber,

There are three types of different channels  : (I) PCH, (II) AGCH, (III) RACH

Refer the following link to know details of the PCH, AGCH, RACH channel, and their processing.
  • GSM Paging channel ( PCH )
  • GSM Access grant channel ( AGCH )
  • GSM Random access channel ( RACH )