Eliminated DTMF signaling in an integrated wireline-wireless sys

Details Eliminated DTMF signaling in an integrated wireline-wireless sys Eliminated DTMF signaling in an integrated wireline-wireless sys

1997-10-02

1999-09-28

Vo, Nguyen

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455560, 455557, H04M 1100

Patent

active

059603429

ABSTRACT:
An integrated wireless wireline system (IWWS) architecture without the requirement for dual-tone modulation frequency (DTMF) signaling to communicate a called party's number from the wireless section to the wireline section, thereby expediting call setup and making it more reliable.

REFERENCES:
patent: 5694459 (1997-12-01), Backaus et al.
patent: 5758281 (1998-05-01), Emery et al.

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