Odisei S.A. was a French company based in

Sophia-Antipolis Sophia Antipolis is a 2,400 hectare science park, technology park in southeast France, and as of 2021 home to 2,500 companies, valued today at more than 5.6 billion euros and employing more than 38,000 people counting more than 80 nationalities. ...

, France that developed the first Internet protocol private branch exchange (IP-PBX) software solution hosted by carriers.Frédéric Artru launches Odisei in

It was founded by Frédéric Artru in 1998 based on his work at the

Versit Consortium The versit Consortium was a multivendor initiative founded by Apple Computer, AT&T, IBM and Siemens in the early 1990s in order to create Personal Data Interchange (PDI) technology, open specifications for exchanging personal data over the Intern ...

. Odisei was acquired by 8x8 in May 1999. It is likely the highest

return on investment Return on investment (ROI) or return on costs (ROC) is the ratio between net income (over a period) and investment (costs resulting from an investment of some resources at a point in time). A high ROI means the investment's gains compare favorab ...

on a time-basis for a French-based technology company (50 to 1 ROI for seed investors). Odisei offered the IntraSwitch IP-PBX, a Java-based solution that runs on a carrier-grade server located at a telephony service provider's site and provides voice and data services to individuals, small and large businesses,

local exchange carrier Local exchange carrier (LEC) is a regulatory term in telecommunications for the local telephone company. In the United States, wireline telephone companies are divided into two large categories: long-distance ( interexchange carrier, or IXCs) ...

s and

Internet service provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...

s. IntraSwitch is to this date the sole complete implantation strictly following the Versit CTI ENcyclopedia specifications. After acquisition by 8x8, Odisei changed its name to Netergy Networks Software Division then to Centile. In 2003, Centile was bought out from 8x8 by Eurotel, a Nordic countries private investor group.Centile becomes independent again after being bought out from 8x8 Centile has since focused its activities on premises-based IP-PBX products.

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References

{{Authority control Software companies of France Software companies established in 1998