近年来，手机行业的两大巨头----索尼爱立信和诺基亚出售了他们的M2M部门。
Sony Ericsson and Nokia, two giants of the mobile-phone industry, have in recent years sold their machine-to-machine divisions.
诺基亚、摩托罗拉和索尼爱立信一直在中端市场互相竞争，这也是手机运营商最为看重、补贴最高的一块。
Nokia, Motorola and Sony Ericsson were chasing the middle of the market where the high volumes and high subsidies from the mobile phone operators were.
此外，根据关于手机品牌关注度的调查，诺基亚、三星和索尼爱立信排名前3。
The report listed Nokia, Samsung and Sony Ericsson as the top 3 favorite brands, China National Radio reported.
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