06304637 is referenced by 107 patents and cites 34 patents.

An apparatus is comprised of a storage medium having stored therein a plurality of programming instructions for implementing a set of communication services for establishing and supporting a direct quality voice call to a public switched telephone network (PSTN) extension, and an execution unit, coupled to the storage medium, for executing the plurality of programming instructions. In particular, the set of communication services include services for establishing and facilitating the voice call to the PSTN extension on behalf of the client computer, and services for causing a direct connection to be established between the client computer and the apparatus.

Title
Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer
Application Number
8/818321
Publication Number
6304637 (B1)
Application Date
March 14, 1997
Publication Date
October 16, 2001
Inventor
Jeffrey B Sponaugle
Hillsboro
OR, US
Mark D Zuber
Beaverton
OR, US
George L Taylor
Tigard
OR, US
Al J Simon
Hillsboro
OR, US
Keith A Pirkl
Vancouver
WA, US
Kenneth L Keeler
Hillsboro
OR, US
Michael F Buondonno
Beaverton
OR, US
John D Elliott
Portland
OR, US
Ken Pawlak
Beaverton
OR, US
Mojtaba Mirashrafi
Portland
OR, US
Agent
Columbia IP Law Group PC
US
Assignee
ITXC
OR, US
IPC
H04M 1/64
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