Telephonic communications – Special services – Call diversion
Reexamination Certificate
2005-01-04
2005-01-04
Bui, Bing Q. (Department: 2642)
Telephonic communications
Special services
Call diversion
C379S207120, C379S207140, C379S213010
Reexamination Certificate
active
06839418
ABSTRACT:
A method and exchange unit in a telecommunication system for differentiated treatment of calling subscribers special calls includes separating from normal calls according to information contained in the dialed number, i.e., the routing number. If the call is determined to be a special call, the routing number is modified by adding a new digit string to the routing number depending on a subscriber associated parameter. The modified number is then evaluated for further treatment of the call.
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Bui Bing Q.
Cohen & Pontani, Lieberman & Pavane
Nokia Networks Oy
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