| US 7,515,583 B2 | ||
| Method and apparatus for providing a configurable quality of service threshold for voice over internet protocol | ||
| Sejal Kamani, Glendale, Ariz. (US); Paul Coverdale, Nepean (Canada); Chi Wong, Palo Alto, Calif. (US); and Ben Kwong, San Jose, Calif. (US) | ||
| Assigned to Nortel Networks Limited, St. Laurent (Canada) | ||
| Filed on Mar. 26, 2004, as Appl. No. 10/810,467. | ||
| Application 10/810467 is a continuation of application No. 09/219682, filed on Dec. 23, 1998, abandoned. | ||
| Claims priority of provisional application 60/104908, filed on Oct. 20, 1998. | ||
| Claims priority of provisional application 60/089831, filed on Jun. 19, 1998. | ||
| Claims priority of provisional application 60/090075, filed on Jun. 19, 1998. | ||
| Prior Publication US 2004/0179515 A1, Sep. 16, 2004 | ||
| Int. Cl. H04L 12/66 (2006.01); H04L 5/14 (2006.01); H04L 12/56 (2006.01); H04M 1/64 (2006.01); G06F 15/173 (2006.01) | ||
| U.S. Cl. 370—352 [370/230; 370/395.21; 370/401; 379/88.17; 709/238] | 26 Claims |

| 1. A method of connecting a telephone call from a user through one of a plurality of networks where one of the plurality of
networks is an internet protocol network, comprising:
determining a destination of the telephone call;
setting a first transmission factor and a first reception factor according to a predetermined minimum quality of service level
requirement based on the destination of the telephone call;
receiving a second transmission factor and receiving a second reception factor responsive to the quality of service provided
by the internet protocol network; and
connecting the telephone call through the internet protocol network if the second transmission factor is greater than the
first transmission factor and the second reception factor is greater than the first reception factor, otherwise, connecting
the telephone call through one of the plurality of networks other than the internet protocol network.
|