H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/25
H04M 9/00 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1334303
A telephone system has at least one telephone station apparatus and a feature host apparatus. The telephone station apparatus has a plurality of functions stored therein and the feature host apparatus has a plurality of feature modules stored therein. Each such feature module comprises instructions for invoking a corresponding set of functions at the telephone station apparatus by means of an exchange of signalling and supervision messages between the feature host apparatus and the telephone station apparatus. The functions invoked provide the feature selected by a feature request action of a user at the telephone station apparatus.
593268
Chapman Alan Stanley John
Maginley Ronald J.
Nizamuddin Nadir
Redmond Alan Morris
Williams John William Joseph
Adams Thomas
Chapman Alan Stanley John
Nizamuddin Nadir
Nortel Networks Limited
Redmond Alan Morris
LandOfFree
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