Network control center call trace

Claim 2

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; means for listing the pertinent message detail records found in the search; and means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

Claim 3

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; means for listing the pertinent message detail records found in the search; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 4

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; means for listing the pertinent message detail records found in the search; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 5

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; and means for listing the pertinent message detail records found in the search; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 6

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; and means for listing the pertinent message detail records found in the search; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 7

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; means for listing the pertinent message detail records found in the search; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and then searches for a message detail record containing that billing number.

Claim 8

In a telecommunication system having a plurality of tandem node switches interconnected by a plurality of trunks and a network control center, a call trace system for identifying the circuit path taken from a calling number to a called number, comprised of: means associated with each tandem node switch to transmit message detail records, including calling or called number, incoming or outgoing trunks or circuits, date, time, and disposition of call, to the network control center; means to store message detail records in a database; means for searching said database for message detail records pertaining to the calling number or the called number during a time period; means for listing the pertinent message detail records found in the search; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and then searches for a message detail record containing that billing number.

Claim 9

The call trace system of claim 4 wherein said searching means is arranged to search for a message detail record for a corresponding off-net number if no message detail record is found with a billing number.

Claim 10

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

Claim 11

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

Claim 12

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 13

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 14

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 15

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 16

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and the n searches for a message detail record containing that billing number.

Claim 17

A call trace system for a telecommunication network of tandem node switches comprised of: means associated with each tandem node switch for generating a message detail record of each call involving that switch, including called or calling number, incoming and outgoing trunks or circuits, date, time, and disposition of the call; means for collecting and storing said message detail records in a database; searching means for searching said database for message detail records pertaining to a specific call; and means for displaying message detail record data pertaining to a specific call; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and the n searches for a message detail record containing that billing number.

Claim 18

The call trace system of claim 9 wherein said searching means is arranged to search for a message detail record for a corresponding off-net number is no message detail record is found with a billing number.

Claim 19

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

Claim 20

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and means to translate said message detail records into a graphical representation of the route the searched call took as it passed through network.

Claim 21

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 22

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and a terminal coupled to said search means to generate a call trace mask on said terminal, prompting an operator to enter data for searching said message detail records.

Claim 23

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 24

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; wherein the trunk or circuit information of a pertinent message detail record is used as the basis for further message detail record searching.

Claim 25

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and then searches for a message detail record containing that billing number.

Claim 26

A telecommunication network comprised of: a plurality of tandem node switches; trunk groups interconnecting the tandem node switches; said tandem node switches including means for generating a message detail record for each call passing through a switch, said record including switch identification, calling or called number, trunks or circuits involved, date, time, and disposition of a call; a network control center in communication with the tandem node switches and including means to collect and store message detail records in a database; searching means for searching said database for message detail records pertinent to a specific call; means for displaying data of the message detail records pertaining to a specific call; and a table of corresponding on-net numbers, off-net numbers and billing numbers; and wherein said searching means first looks up the billing number corresponding to a called number or a calling number and then searches for a message detail record containing that billing number.

Claim 27

The telecommunication network of claim 14 where said searching means is arranged to search for a message detail record for a corresponding off-net number if no message detail record is found with a billing number.