Back in the day, using your phone abroad was either impossible or very costly, with high international rates if your provider let you access a partner network...
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Sydney: Telstra, Optus and Vodafone have agreed to block the IMEI - News map: Asian telecoms this month - International Mobile Equipment Identification - B... 一,澳大利亚的电信管制体系澳大利亚1989年7月1日成立电信管制局,在初期协助联邦政府引入竞争机制,促成Optus通信公司与Telstra公司于1992年展开除本地...