A method or apparatus for offering multiple switch access to selected lines and trunks of a multiple telecommunications switch complex. The selected lines and trunks are connected to peripheral units whose outputs are distributed by a network to a group of switches. The switches are ...http://www.google.fr/patents/US5848053?utm_source=gb-gplus-shareBrevet US5848053 - Telecommunications network for serving users from multiple switches
Telecommunications network for serving users from multiple switches
