What is CCCH (Common Control Channel)?

The Common Control Channel (CCCH) is used to convey control data among all portable devices and the BTS. This is required for the execution of “call origination” and “call paging” capacities. Common Control Channels assist the common methodology needed to build up a dedicated connection with the network. Typical channels incorporate the RACH (Random Access Channel), PCH (Paging Channel), and AGCH (Access Grant Channel) inside GSM.