Telephone System Call Routing

Info Level: Beginner Presenter: Eli the Computer Guy Date Created: August 8, 2010 Length of Class: 60 Minutes Tracks Telephone Systems Prerequisites Introduction to Telephone Systems Purpose of Class This class discusses how calls get routed within a telephone system PBX. Topics Covered Extensions Call Paths Out Calling Incoming Trunk Groups Auto Attendants Hunt Groups Call Groups Out Going Call Routing Class Notes Introduction All telephone systems use the same basic concepts to route calls Extensions PBX's relate to everything as an extension. A station is an extension. An Auto Attendant is an extension, etc. You should create a range of extensions for use for stations and subscribers, and a different range of extensions to be used for administrative purposes (Auto Attendants, Hunt Groups, etc) You can determine how many numbers make up an extension (2,3,4) Call Paths Call paths determine how an incoming call is routed. A standard call path states that a station is rung 3 times, and then the call is routed to voicemail. You can have call paths with 20+ steps. Out Calling Out calling allows the PBX to route calls from the outside to outside lines. A call from the outside can be routed to a cell phone. Out calling requires 2 trunk lines (1 for the incoming call, and one for the outgoing call) Out calling can be a HUGE security problem if not administered properly. Incoming Trunks Incoming trunk lines are programmed into Trunk Groups. Individual Trunk Groups are pointed at ...



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Tags : ip pbx