Advertising effectiveness rating system
Apparatus and method for analyzing an automated response system
Apparatus and method for detecting focused overload
Apparatus and method of determining switch utilization within a
Apparatus and method to identify potential work-at-home callers
Apparatus for displaying call charges in telephone and method th
Apparatus to manipulate and examine the data structure that supp
Automatic call distributor reporting system and method therefor
Call detail record for internet call waiting
Call detail record for internet call waiting
Call traffic control
Circuit arrangement for telecommunications exchange systems, par
City, time and toll-charge display when calling telephone number
Communication line monitoring system
Communication line monitoring system
Communication system utilizing information received during a sil
Communication terminal device, call-history memory method and ca
Communications network
Compilation, analysis, and graphic representation of call data
Computer telephone system