H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) H04L 29/02 (2006.01) H04M 7/00 (2006.01) H04M 11/06 (2006.01) H04Q 3/62 (2006.01) H04Q 3/64 (2006.01)
Patent
CA 2292677
A voice call is carried between a calling party and a called party over a data network. During the call, the calling party or the called party can instruct the system to select an alternative routing for the call, and the system transfers, in response to the instruction, the call to the alternative routing. The alternative routing can be a switched network (PSTN) routing for the call. The alternative routing can be established before dropping the voice over data network call, such as by conferencing the new call, to provide a seamless handover. The instruction from the calling parties can be made by a key sequence.
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
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