A method of connecting a telephone call through one of a plurality of
networks where one of the plurality of networks is an internet protocol
network is provided. A first factor for an acceptable quality of service
level is received from a user. A second factor responsive to the quality
of service for the internet protocol network is determined. The telephone
call is connected through the internet protocol network if the second
factor is greater than the first factor, otherwise, the telephone call is
connected through one of the plurality of networks other than the
internet protocol network.