Basic call state model
From Wikipedia, the free encyclopedia
In Intelligent Network and CAMEL switching, a BCSM is a Basic Call State Model.[1]
- O-BCSM (Originating BCSM)
- T-BCSM (Terminating BCSM)
A fundamental concept for IN control is the basic call state model (BCSM). When a call is processed by an exchange, the call goes through a number of pre-defined phases. These phases of the call are described in the BCSM. The BCSM generally follows the ISUP signalling of a call
_for_BCSM.jpg)
