Vodafone, Deutsche Telekom, AT&T to dominate M2M by 2020
日期:2012-04-20 18:35
dafone and Verizon Wireless, Deutsche Telekom's escalating alliance with Orange and TeliaSonera (which includes Everything Everywhere), and Telefonica's alliance with Etisalat and China Unicom.
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05/16 05:49