Modified abbreviated dialing arrangement

Claim 2

In a telephone switching system arranged for abbreviated dialing, the combination comprising: a switching network; a plurality of subscriber stations connected to said network; memory means for storing abbreviated dialing lists, said lists comprising predetermined directory numbers and originating class of service information uniquely associated with each of said directory numbers; and means responsive to signals representing abbreviated dialing codes transmitted by said subscriber stations for establishing connections through said network in accordance with said directory numbers and said associated originating class of service information.

Claim 3

A telephone switching system comprising: a switching network; a plurality of subscriber stations connected to said network by means of subscriber lines; scanning means for detecting signals transmitted by said stations on said lines; memory means for storing an abbreviated dialing repertoire comprising a plurality of entries, each of said entries corresponding to a predetermined abbreviated dialing code and each containing a directory number and class of service information uniquely associated with said directory number; and control means for analyzing signals detected by said scanning means and operative upon receipt of an abbreviated dialing code from an originating one of said lines to obtain the directory number and class of service information from the entry corresponding to said received code and to control said network to effect telephone connections between said originating line and the subscriber station defined by said directory number in accordance with said associated class of service information.

Claim 4

A telephone switching system comprising: a switching network; a plurality of subscriber stations connected to said network by means of subscriber lines; scanning means for detecting signals transmitted by said stations on said lines; memory means for storing an abbreviated dialing repertoire comprising a plurality of entries, each of said entries corresponding to a predetermined abbreviated dialing code and each containing a directory number and class of service information uniquely associated with said directory number; and control means for analyzing signals detected by said scanning means and operative upon receipt of an abbreviated dialing code from an originating one of said lines to obtain the directory number and class of service information from the entry corresponding to said received code and to control said network to effect telephone connections between said originating line and the subscriber station defined by said directory number in accordance with said associated class of service information.

Claim 5

In a communication switching system, a plurality of subscriber stations, memory means for storing a list of deStination station identification numbers and for storing originating class of service information uniquely associated with said station identification numbers, and means responsive to coded signals transmitted by an originating subscriber station to selectively establish communication paths between said originating station and stations defined by said identification numbers in accordance with said associated originating class of service information.

Claim 6

In a communication switching system, a plurality of subscriber stations, memory means for storing a list of deStination station identification numbers and for storing originating class of service information uniquely associated with said station identification numbers, and means responsive to coded signals transmitted by an originating subscriber station to selectively establish communication paths between said originating station and stations defined by said identification numbers in accordance with said associated originating class of service information.

Claim 7

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing originating station class of service information uniquely assigned to each subscriber station, and for storing abbreviated dialing lists containing directory numbers and originating class of service information uniquely associated with each of said directory numbers of said lists; and means responsive to calling signals transmitted by an originating subscriber station to establish communication paths between said originating station and destination stations defined by directory numbers transmitted by said originating subscriber station and between said originating station and destination stations defined by directory numbers stored in said lists, said communication paths being established in accordance with said originating station class of service information when the destination station is defined by a directory number transmitted by said originating station, and being established in accordance with said associated class of service information when the destination station is defined by a directory number stored in said list.

Claim 8

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing originating station class of service information uniquely assigned to each subscriber station, and for storing abbreviated dialing lists containing directory numbers and originating class of service information uniquely associated with each of said directory numbers of said lists; and means responsive to calling signals transmitted by an originating subscriber station to establish communication paths between said originating station and destination stations defined by directory numbers transmitted by said originating subscriber station and between said originating station and destination stations defined by directory numbers stored in said lists, said communication paths being established in accordance with said originating station class of service information when the destination station is defined by a directory number transmitted by said originating station, and being established in accordance with said associated class of service information when the destination station is defined by a directory number stored in said list.

Claim 9

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing abbreviated dialing lists containing directory numbers and originating class of service information uniquely associated with each of said directory numbers; and means responsive to calling signals representing abbreviated dialing codes transmitted by an originating subscriber station to selectively establish communication paths between said originating station and destination stations defined by said directory numbers, said communication paths being established in accordance with predetermined coded signals representing class of service information transmitted by said originating station in addition to said signals representing said abbreviated dialing codes and established in the absence of said predetermined coded signals in accordance with said associated originating class of service information.

Claim 10

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing abbreviated dialing lists containing directory numbers and originating class of service information uniquely associated with each of said directory numbers; and means responsive to calling signals representing abbreviated dialing codes transmitted by an originating subscriber station to selectively establish communication paths between said originating station and destination stations defined by said directory numbers, said communication paths being established in accordance with predetermined coded signals representing class of service information transmitted by said originating station in addition to said signals representing said abbreviated dialing codes and established in the absence of said predetermined coded signals in accordance with said associated originating class of service information.

Claim 11

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; a recording means for recording communications; memory means for storing an abbreviated dialing repertoire containing a plurality of directory numbers and coded information uniquely associated with each of said directory numbers; and means responsive to abbreviated dialing codes transmitted by an originating subscriber station to control said network to selectively establish communication paths between said originating station and stations defined by said stored directory numbers and responsive to said coded information associated with said stored directory numbers to control said network to effect a connection between said recording means and said communication paths.

Claim 12

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; a recording means for recording communications; memory means for storing an abbreviated dialing repertoire containing a plurality of directory numbers and coded information uniquely associated with each of said directory numbers; and means responsive to abbreviated dialing codes transmitted by an originating subscriber station to control said network to selectively establish communication paths between said originating station and stations defined by said stored directory numbers and responsive to said coded information associated with said stored directory numbers to control said network to effect a connection between said recording means and said communication paths.

Claim 13

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing originating station preemption priority information uniquely assigned to each subscriber station, and for storing an abbreviated dialing list containing directory numbers and preemption priority information uniquely associated with each of said directory numbers; and means responsive to calling signals transmitted by an originating subscriber station to establish communication paths between said originating station and destination stations defined by directory numbers transmitted by said originating subscriber station and between said originating station and destination stations defined by directory numbers stored in said list, and to assign a preemption priority level to the establishing of said communication paths, said preemption priority level being defined by said originating station preemption priority information when the destination station is defined by a directory number transmitted by said originating station, and said preemption priority level being defined by said associated preemption priority information when the destination station is defined by a directory number stored in said list.

Claim 14

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing originating station preemption priority information uniquely assigned to each subscriber station, and for storing an abbreviated dialing list containing directory numbers and preemption priority information uniquely associated with each of said directory numbers; and means responsive to calling signals transmitted by an originating subscriber station to establish communication paths between said originating station and destination stations defined by directory numbers transmitted by said originating subscriber station and between said originating station and destination stations defined by directory numbers stored in said list, and to assign a preemption priority level to the establishing of said communication paths, said preemption priority level being defined by said originating station preemption priority information when the destination station is defined by a directory number transmitted by said originating station, and said preemption priority level being defined by said associated preemption priority information when the destination station is defined by a directory number stored in said list.

Claim 15

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing an abbreviated dialing list containing directory numbers and preemption priority information uniquely associated with each of said directory numbers; and means responsive to signals representing abbreviated dialing codes transmitted by an originating subscriber station to selectively establish communication paths between said originating station and stations defined by said directory numbers and to assign a preemption priority level to said communication paths, said preemption priority level being defined by priority code signals transmitted by said originating station in addition to said signals representing abbreviated dialing codes and defined in the absence of said transmitted priority code signals by said associated preemption priority information.

Claim 16

A telephone switching system comprising: a plurality of subscriber stations; memory means for storing an abbreviated dialing list containing directory numbers and preemption priority information uniquely associated with each of said directory numbers; and means responsive to signals representing abbreviated dialing codes transmitted by an originating subscriber station to selectively establish communication paths between said originating station and stations defined by said directory numbers and to assign a preemption priority level to said communication paths, said preemption priority level being defined by priority code signals transmitted by said originating station in addition to said signals representing abbreviated dialing codes and defined in the absence of said transmitted priority code signals by said associated preemption priority information.

Claim 17

A telephone switching system comprising: a plurality of subscriber stations each having a predetermined grade of service; a switching network for interconnecting said subscriber stations; memory means for storing an abbreviated dialing list containing directory numbers and grade of service information uniquely associated with each of said directory numbers; and control means responsive to coded calling signals transmitted by an originating subscriber to control said network to effect interconnections between said originating subscriber station and destination stations defined by directory numbers transmitted by said originating station and between said originating station and destination stations defined by directory numbers stored in said list, and for assigning a grade of service to said interconnections, said assigned grade of service being defined by said predetermined grade of service when the destination station is defined by a directory number transmitted by said originating station and said assigned grade of service being defined by said associated grade of service information when the destination station is defined by directory numbers stored in said list.

Claim 18

A telephone switching system comprising: a plurality of subscriber stations each having a predetermined grade of service; a switching network for interconnecting said subscriber stations; memory means for storing an abbreviated dialing list containing directory numbers and grade of service information uniquely associated with each of said directory numbers; and control means responsive to coded calling signals transmitted by an originating subscriber to control said network to effect interconnections between said originating subscriber station and destination stations defined by directory numbers transmitted by said originating station and between said originating station and destination stations defined by directory numbers stored in said list, and for assigning a grade of service to said interconnections, said assigned grade of service being defined by said predetermined grade of service when the destination station is defined by a directory number transmitted by said originating station and said assigned grade of service being defined by said associated grade of service information when the destination station is defined by directory numbers stored in said list.

Claim 19

A telephone switching system comprising: a plurality of subscriber stations; a switching network for interconnecting said subscriber stations; memory means for storing abbreviated dialing lists containing directory numbers and grade of service information uniquely associated with each of said directory numbers; and control means responsive to coded calling signals transmitted by an originating subscriber station to control said network to effect interconnections between said originating station and stations defined by said directory numbers stored in said lists and for assigning a grade of service to said interconnections, said assigned grade of service being defined by information transmitted by said originating subscriber station and defined in the absence of such transmitted grade of service information by said grade of service information associated with said directory numbers and stored in said memory.

Claim 20

A telephone switching system comprising: a plurality of subscriber stations; a switching network for interconnecting said subscriber stations; memory means for storing abbreviated dialing lists containing directory numbers and grade of service information uniquely associated with each of said directory numbers; and control means responsive to coded calling signals transmitted by an originating subscriber station to control said network to effect interconnections between said originating station and stations defined by said directory numbers stored in said lists and for assigning a grade of service to said interconnections, said assigned grade of service being defined by information transmitted by said originating subscriber station and defined in the absence of such transmitted grade of service information by said grade of service information associated with said directory numbers and stored in said memory.

Claim 21

In a communication system comprising: a plurality of independent communication networks; and a telephone switching office comprising: a plurality of subscriber stations, memory means for storing an abbreviated dialing list containing directory numbers defining destination station and grade of service information uniquely associated with each of said directory numbErs, said grade of service information defining a selected one of said communication networks, and means responsive to signals representing abbreviated dialing codes transmitted by an originating subscriber station to initiate the establishment of a communication path between said originating station and a destination station defined by a selected one of said directory numbers via the communications network defined by said network identification information associated with said selected directory number.

Claim 22

In a communication system comprising: a plurality of independent communication networks; and a telephone switching office comprising: a plurality of subscriber stations, memory means for storing an abbreviated dialing list containing directory numbers defining destination station and grade of service information uniquely associated with each of said directory numbErs, said grade of service information defining a selected one of said communication networks, and means responsive to signals representing abbreviated dialing codes transmitted by an originating subscriber station to initiate the establishment of a communication path between said originating station and a destination station defined by a selected one of said directory numbers via the communications network defined by said network identification information associated with said selected directory number.

Claim 23

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; memory means for storing originating class of service words uniquely associated with said subscriber stations, for storing abbreviated dialing lists each containing a plurality of directory numbers, and for storing originating class of service information uniquely associated with each of said directory numbers; and control means responsive to calling signals representing directory numbers transmitted by originating stations to control said network to establish communication paths between said originating station and stations defined by said transmitted directory numbers in accordance with information stored in said originating class of service words, and responsive to signals representing abbreviated dialing codes transmitted by originating stations to establish communication paths between said code transmitting originating stations and stations defined by directory numbers stored in said abbreviated dialing lists in accordance with class of service information uniquely associated with each of said directory numbers.

Claim 24

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; memory means for storing originating class of service words uniquely associated with said subscriber stations, for storing abbreviated dialing lists each containing a plurality of directory numbers, and for storing originating class of service information uniquely associated with each of said directory numbers; and control means responsive to calling signals representing directory numbers transmitted by originating stations to control said network to establish communication paths between said originating station and stations defined by said transmitted directory numbers in accordance with information stored in said originating class of service words, and responsive to signals representing abbreviated dialing codes transmitted by originating stations to establish communication paths between said code transmitting originating stations and stations defined by directory numbers stored in said abbreviated dialing lists in accordance with class of service information uniquely associated with each of said directory numbers.

Claim 25

A telephone switching system in accordance with claim 12 wherein said class of service information comprises preemption priority information and wherein said control means is adapted to control said network to preempt existing telephone connections in order to establish calls having a higher preemption priority.

Claim 26

A telephone switching system in accordance with claim 12 wherein said class of service information includes grade of service information defining characteristics of said communication path.

Claim 27

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; memory means for storing originating class of service words uniquely associated with each of said subscriber stations, for storing an abbreviated dialing list containing a plurality of directory numbers each corresponding to a predetermined abbreviated dialing code, and for storing originating class of service information uniquely associated with each of said directory numbers; and control means responsive to signals representing class of service information and an abbreviated dialing code transmitted by an originating subscriber station to control said network to establish a communication path between said originating station and the station defined by the directory number corresponding to said transmitted abbreviated dialing code in accordance with said transmitted class of service information, and in the absence of transmitted class of service information to establish said communication path in accordance with the class of service information associated with the directory number corresponding to said transmitted abbreviated dialing code and, in the absence of both said transmitted class of service information and said directory number associated class of service information, to establish said communication path in accordance with information stored in the class of service word uniquely associated with said originating subscriber station.

Claim 28

A communication switching system comprising: a switching network; a plurality of subscriber stations connected to said network; memory means for storing originating class of service words uniquely associated with each of said subscriber stations, for storing an abbreviated dialing list containing a plurality of directory numbers each corresponding to a predetermined abbreviated dialing code, and for storing originating class of service information uniquely associated with each of said directory numbers; and control means responsive to signals representing class of service information and an abbreviated dialing code transmitted by an originating subscriber station to control said network to establish a communication path between said originating station and the station defined by the directory number corresponding to said transmitted abbreviated dialing code in accordance with said transmitted class of service information, and in the absence of transmitted class of service information to establish said communication path in accordance with the class of service information associated with the directory number corresponding to said transmitted abbreviated dialing code and, in the absence of both said transmitted class of service information and said directory number associated class of service information, to establish said communication path in accordance with information stored in the class of service word uniquely associated with said originating subscriber station.

Claim 29

A communication switching system in accordance with claim 15 wherein said class of service information comprises preemption priority information and said control means is adapted to control said network to preempt existing telephone connections and to establish calls having a higher preemption priority.

Claim 30

A telephone switching system in accordance with claim 15 wherein said class of service information includes grade of service information defining transmission characteristics of said communication path.

Claim 31

A telephone switching system arranged for abbreviated dialing comprising: a memory for storing an abbreviated dialing list comprising a plurality of entries, each of said entries corresponding to a predetermined abbreviated dialing code and each containing a directory number; and means operative upon receipt of an abbreviated dialing code from an originating subscriber station to establish a communication path between said originating station and the called subscriber station defined by the directory number stored in the entry of said list corresponding to said received abbreviated dialing code; wherein each of said entries further contains originating class of service information uniquely associated with said directory numbers, and said system further comprises means for resolving conflicts between originating class of service information unique to said originating station and the originating class of service information associated with the directory number defining said called subscriber station.

Claim 32

A telephone switching system arranged for abbreviated dialing comprising: a memory for storing an abbreviated dialing list comprising a plurality of entries, each of said entries corresponding to a predetermined abbreviated dialing code and each containing a directory number; and means operative upon receipt of an abbreviated dialing code from an originating subscriber station to establish a communication path between said originating station and the called subscriber station defined by the directory number stored in the entry of said list corresponding to said received abbreviated dialing code; wherein each of said entries further contains originating class of service information uniquely associated with said directory numbers, and said system further comprises means for resolving conflicts between originating class of service information unique to said originating station and the originating class of service information associated with the directory number defining said called subscriber station.