Defines the protocol rules for communication between a trunking system controller (TSC) and users' radio units. Can be used to implement a wide variety of systems, from small systems with only a few radio channels (even single-channel systems), to large networks which may be formed by the interconnection of TSCs.
SANS 2327:1991 history
2000SANS 2327:1991 A signalling standard for trunked private land mobile radio systems