Appeal No. 2002-1422 Page 2
Application No. 08/753,197
“transparent” to the caller. (Appeal Br. at 2.) In other words, he explains, a caller who
has requested an Internet voice telephone connection may receive directory assistance
and call completion services in apparently the accustomed manner for access of the
services from a public switched telephone network. (Id.)
A further understanding of the invention can be achieved by reading the following
claim:
1. A system for providing a directory assistance call completion
service to a terminal, comprising:
a public switched telephone network (PSTN) communications
switching system providing switched communication services to said
terminal;
a directory assistance service system including a storage of
directory listings; and
a public packet data internetwork connected between the PSTN
and the directory assistance service system, said internetwork comprising
at least a portion of the Internet,
wherein in response to dialing of a directory assistance number on
said terminal, said PSTN (i) provides data identifying said terminal to said
directory assistance service system via the Internet, and (ii) establishes a
two-way communication link between said terminal and said directory
assistance service system via the Internet; and
wherein the directory assistance service system provides two-way
voice communication between said terminal and said directory assistance
service system via said communication link to (i) receive information from
said terminal identifying a station with which said terminal seeks to
establish a communications link through the Internet, and (ii) provide to
said terminal a directory number for said station.
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