TIME-BASED RESTRICTED ACCESS TO A TRUNKED SYSTEM
Original Publication Date: 1998-Mar-01
Included in the Prior Art Database: 2002-Jun-20
In certain applications of ttunked systems (utility companies, for example), users will use their radio during specific times of the day and for a specific talkgroup. Typically, this time would be associated with their work shift (e.g. 8 am to 5 pm).