Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent
1998-03-25
2000-11-28
Smith, Creighton
Telephonic communications
Reception of calling information at substation in wireline...
Blocking caller id transmission
379209, 455415, H04M 156
Patent
active
061545309
ABSTRACT:
The invention provides means for storing in a call-back memory of a terminal unit termed called unit subscribed to a telecommunications network, subscriber numbers called calling units desiring to be called back after an unsuccessful attempt at calling the terminal unit. The invention notably provides means for managing one or various call-back lists, offering the calling subscribers the possibility of giving a call-back priority index to their subscriber number notably as a function of the urgency of their call.
REFERENCES:
patent: 5303301 (1994-04-01), Takahata
patent: 6009155 (1999-12-01), Adachi
Halajian Dicran
Smith Creighton
U.S. Philips Corporation
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