Communication switching system

Claim 1

A COMMUNICATION SWITCHING SYSTEM COMPRISING A PLURALITY OF SWITCHING GROUPS, EACH GROUP INCLUDING A PLURALITY OF CROSSPOINT SWITCHING DEVICES ARRANGED IN COORDINATE MATRICES; MARKER APPARATUS FOR CONTROLLING THE ESTABLISHMENT OF CONNECTIONS THROUGH SAID CROSSPOINT MATRICES; REGISTER-SENDER APPARATUS COMPRISING REGISTER MEANS AND A PLURALITY OF SENDERS; TRANSLATING MEANS COMMON TO SAID PLURALITY OF SWITCHING GROUPS, AND MEANS FOR TRANSFERRING INFORMATION DIRECTLY BETWEEN THE REGISTER MEANS AND THE TRANSLATOR MEANS; MEANS INCLUDING THE MARKER APPARATUS, RESPONSIVE TO A CALLING LINE SERVICE REQUEST SIGNAL FOR IDENTIFYING THE CALLING LINE AND CONNECTING IT TO THE REGISTER MEANS, MEANS FOR TRANSMITTING THE INFORMATION IDENTIFYING THE CALLING LINE FROM THE MARKER APPARATUS TO THE REGISTER MEANS FOR REGISTERATION THEREIN; MEANS FOR REGISTERING IN SAID REGISTER MEANS THE CALLED LINE DIRECTORY NUMBER AS TRANSMITTED OVER THE CALLING LINE AND FOR TRANSLATING, UNDER THE CONTROL OF SAID TRANSLATING MEANS, AT LEAST A PART OF SAID DIRECTORY INFORMATION INTO CORRESPONDING EQUIPMENT LOCATION INFORMATION; MEANS INCLUDING ONE OF THE SENDERS FOR TRANSMITTING SAID EQUIPMENT LOCATION INFORMATION TO SAID MARKER APPARATUS; AND MEANS INCLUDING THE MARKER APPARATUS FOR COMPLETING A CONNECTION BETWEEN THE CALLING AND CALLED LINES.