There are also other players fighting for positions in this battle: Ericsson, Huawei, Cisco, Alcatel Lucent and Nokia Siemens Network have all intensified their ambitions, already being big suppliers in the ecosystem.

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Well besides a company that's losing money like crazy (to the tune of two million dollars a day), they're getting a license to sell handsets under the Siemens brand name for the next five years, as well as access to Siemens' global distribution network and carrier relationships.

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Nokia Siemens Networks will target end-to-end mobile network infrastructure and services, with a particular emphasis on mobile broadband.

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The 4G radio network in Denmark is in this rollout phase supplied by Nokia Siemens Networks.

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Insiders say that, although Siemens is not about to buy all of 3Com, it is interested in the network-equipment bit.

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In a statement, Network Rail blamed the delay on "technical issues" that need resolving with Siemens, the company supplying the new signalling system.

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