serves a plurality of similarly situated terminals and that a plurality of such facilities are similarly equipped and or likewise arranged with respect to the pstn 30 for example in a landline or wireline application the terminal 10 is optionally a landline telephone or other like end user telecommunication device or landline customer premises equipment cpe and the facility 20 serving the terminal 10 is an end office eo that is operatively connected to the pstn 30 in the usual manner suitably the eo includes a telecommunications switch e g a class 5 switch such as the 5ess or another like switch to which the terminal 10 is operatively connected in the usual manner e g via a twisted pair landline cable or the like in a wireless or mobile application e g the facility 20 serving the terminal 10 is a mobile switching center msc operatively connected to and or in communication with the pstn 30 in the usual manner suitably the msc is also operatively connected to and or in communication with a plurality of base stations not shown in the usual manner as is understood in the art each base station bs provides an over the air radio frequency interface for its respective geographic area or cell selectively the terminal 10 which in this embodiment is a mobile or wireless telephone or other appropriate mobile station ms is provided telecommunication services and or otherwise accesses the network via the interface and or the bs serving the cell in which the ms is located assuming a called party e g a party receiving a call via the terminal 10.