3 definitions by NotTheory
by NotTheory November 23, 2004
A scanning technique in which the scanner performs backspoofing on a list of numbers to find out which ones have interesting CLID names. Telco test numbers will often have the name of the telco come up (ie. Verizon).
by NotTheory August 3, 2004
A telco acronym for "Calling Line IDentification". Typically end users in the US call this "caller ID". It can display both the name and number of the party that is calling you in most areas.
by NotTheory August 4, 2004