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漫游是移动通信最突出的特点。当移动电话使用者离开归属地,来到被访地的时候,被访地的移动交换机将为其提供接续服务,使其随时随地能与亲朋好友通话,这样一种状态叫做漫游。 实现漫游的一个重要的前提是联网。联网是指不同地方的移动交换机,通过专用线路或公用线路连接,使网上用户间的各种情令信息、语音信息沟通。目前北京电信的模拟及数字两个移动通信网,都已实现了全国30个省、市、自治区的联网自动漫游。只要用户在购买手机时,顺便申请国内、国际长途直拨功能,便可享受漫游服务了。需要提醒的是,漫游后手机主叫任何地方的普通电话和模拟“大哥大”时,都别忘了加拨当地
Roaming is the most prominent feature of mobile communications. When the mobile phone user leaves the home and arrives at the place of visit, the visited mobile switch will provide a continuation service so that he or she can talk with friends and relatives anytime, anywhere. This state is called roaming. An important prerequisite for roaming is networking. Networking refers to the mobile exchange in different places, through a dedicated line or public line connection, so that online users a variety of emotional information, voice information communication. At present, Beijing Telecom’s analog and digital two mobile communications networks have all realized networked roaming in 30 provinces, municipalities and autonomous regions nationwide. As long as users buy mobile phones, the way to apply for domestic and international long distance direct dial function, you can enjoy the roaming service. Need to be reminded that, after roaming mobile phone calling anywhere in the ordinary telephone and analog “big brother”, do not forget to dial local