H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/66 (2006.01) G06F 17/30 (2006.01) H04L 29/02 (2006.01)
Patent
CA 2511130
It is made possible to share presence information, make address books uniform, and conduct communication between a terminal connected to a system and a terminal connected to another system. An exchange system comprises: an exchange server which is adopted to connect exchange-connected terminals to each other; pseudo exchange-connected terminals which are adopted to be associated respectively with external terminals and which are adopted to function as exchange-connected terminals with respect to the exchange server; pseudo external terminals which are adopted to be associated respectively with the exchange-connected terminals and which are adopted to function as external terminals with respect to an external server; a database which is adopted to retain association relations between first user identification information to be used in the exchange-connected terminals and second user identification information to be used in the external terminals; and a pseudo external terminal & pseudo exchange-connected terminal which is adopted to retrieve the second user identification associated with the first user identification information from the database, retrieve the first user identification associated with the second user identification information from the database, function as the exchange-connected terminal with respect to the exchange server by using the first user identification information, and cause one of the pseudo external terminals to function as an associated external terminal with respect to the external server by using the second user identification information.
Nec Infrontia Corporation
Smart & Biggar
LandOfFree
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