Stockholm, Sweden-bnd will enable British Telecom to evaluate the Raynet hardware and RIDES operatiohony using a Passive Optical Networkts parent, Orbit International Corp.k with a bang with an announcement that Groupe Bull SA has bought a 75% stake from Telinvest AB. Telinvest is the industrial investment arm of Sweden’s national phone company, Televerket. Telinvest will retain 25%. Financial terms were not disclosed.