Method for using alphanumerical signs as a call number

Details Method for using alphanumerical signs as a call number Method for using alphanumerical signs as a call number

2005-11-08

2005-11-08

Matar, Ahmad F. (Department: 2642)

Telephonic communications

Plural exchange network or interconnection

Interexchange signalling

C379S093170, C370S354000

Reexamination Certificate

active

06963638

ABSTRACT:
A method for using alphanumeric characters for a call number to establish a phone connection and for internal signaling in and between telecommunication networks. An alternative additional dialing method on an alphanumeric basis by using the complete character set of the ASCII character set with its national embodiments (alphanumeric subscriber call number ATR) with any length of the ATR freely set by the subscriber as an optional alternative that coexists with the current dialing method with a decimal number system (NTR). The ATR is sent from the terminal to the switching center and used preferably to establish a connection or converted to an NTR that is used to establish the connection with the target subscriber. The method may be introduced as an overlay process for the existing dialing method within existing networks.

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“Routing Service for the Provision of Number Portability”, Lautenschlager et al. Proceedings of ISS'97, vol. 2, Sep. 21-26, 1997, pp. 235-242.

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