Nokia has joined forces amid Microsoft in an tedious work to regain floor lost to the iPhone and Android-based devices.
The condition would see Nokia use the Windows phone talking approach for its smartphones, the association said.
It suggests too Nokia's pre-existing talking agencies am able to consistently be sidelined, he said.
Speaking at a meeting to launch the partnership, Mr Elop as well revealed overly there could be "substantial" job losses as a result of the tie-up.
Nokia may stay "first and foremost...a Finnish company. Finland is our housing and is able to keep our home," he said.
But job losses all over the world, together with in Finland, may be inevitable, he added.
Speaking approximately the new partnership in on Microsoft, Mr Elop believed the "the game has transformed based on data from a contend of devices to a war of ecosystems".
"An ecosystem amongst Microsoft and Nokia has unrivalled balance right about the globe," he said.
Microsoft's number one executive Steve Ballmer was too recent at the launch, underlining the importance of the real estate deal to the computing giant.
"Nokia and Microsoft endeavoring up can push innovation so is at the boundary of hardware, application and services," he said.
Microsoft's Bing may fuel Nokia's searching services, additonally Nokia Maps may be a middle half of Microsoft's mapping services.
The new strategy indicates Nokia's existant smartphone speaking authorities might be slowly but surely sidelined.
Symbian, that works on many of the company's present devices ought to become a "franchise platform", even though the establishment expects to turn over close to 150 million a larger amount of Symbian devices in future.
"It is a transition based on Symbian to Windows phone as our main smartphone platform," argued Mr Elop.
"This is a simple admission this Nokia's own-platform strategy has faltered," argued Ben Wood, an analyst amid investigation company CCS: Insight.
"Microsoft is the big winner in their deal, but there are no silver bullets for either association issued the strength of iPhone and Google's Android," he added.
Nokia's share of the smartphone economy fell out of 38% to 28% in 2010, according to monitoring company IDC.
Nokia's coming Meego talking method should in addition be sidelined.
According to the association statement: "MeeGo may place increased emphasis on longer-term sell exploration of next-generation devices."
The new platform was natural to fashion the heart of Nokia's coming years smartphone and tablet strategy.
The establishment suggests it nevertheless plans to ship one Meego device by the end of 2011.
For Magnus Rehle, the Nordic managing director of inspection solid Greenwich Consulting, Nokia may own problem juggling its 3 speaking systems: Windows, Symbian and MeeGo.
"Three platforms is a lot to do our utmost with. I'm not insured there is room for so multitude of platforms," he said.
And, as in on any tie-up, there were able to be clashes between the two firms, he said.
Earlier such week Nokia number one executive Stephen Elop sent a memo to employees rebuke who the association was in crisis.
The memo, published mainly by technology website Engadget, declared so the mobile giant was standing on a "burning platform".