Method and system for toll charge and rate inquiry service for portable numbers

作者: Jingsha He

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摘要: A toll charge and rate inquiry service for portable numbers allows a telephone system user to access billing information prior establishing call connection between the called party. The is extracted from number logical matrix. using can use determine whether complete party with charge. Upon request, automatically connected

参考文章(4)
Kathleen Dickens Cebulka, George White Hartley, Richard Allan Orriss, Neal Norman Crystal, Margaret Katherine Balazs, Laura Leigh Tedman Castrovinci, Yea-Cheiung Eric Chen, Kelly Jean Gaylord, A system and method for providing portable telephone number service ,(1996)
Reuben David Hauptman, Barbara Joanne Kittredge, Nga V. Chau, Pamela J. Lauber, David D. Kaufman, Patricia Lindblad, Method and apparatus for the billing of value-added communication calls ,(1990)