Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Patent
1997-08-07
1999-11-09
Wolinsky, Scott
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
379142, 379399, H04M 300
Patent
active
059828714
ABSTRACT:
In a subscriber number transmission system in a multi-directional multiple communication system, a local switch generates a ringing signal and then generates an originator subscriber number. A base station generates a call reception message signal in response to the ringing signal from the local switch and stores the originator subscriber number transmitted from the local switch. A terminal station connected to a subscriber terminal receives the call reception message signal from the base station. In response to the call reception message signal, the terminal station outputs a ringing signal to the subscriber terminal and generates an originator subscriber number request message to the base station. The base station transmits the originator subscriber number in response to the originator subscriber number request message. The terminal station receives the originator subscriber number from the base station to output to the subscriber terminal.
REFERENCES:
patent: 5457741 (1995-10-01), Sonobe
patent: 5631950 (1997-05-01), Brown
patent: 5781623 (1998-07-01), Khakzar
patent: 5841853 (1998-11-01), Yamanishi et al.
NEC Corporation
Wolinsky Scott
LandOfFree
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