漫游移动电话用户作被叫难的原因王群群自１９９５年６月全国移动电话自动漫游联网开通以来，各项业务运行基本正常，只是用户反映“漫游用户作被叫难”。所谓“漫游用户作被叫难”是指用户离开归属局，如广州某用户（设其号码为９０１××××）漫游到上海，北京一用户欲... Reasons why roaming mobile phone subscribers are hard to be called Wangqunqun Since the nationwide launch of the national mobile roaming roaming network in June 1995, all services have basically run normally, but the users have reported that “roaming users are being called”. The so-called “roaming users to be called difficult” refers to the user to leave the attribution office, such as Guangzhou, a user (set its number 901 × × × ×) roaming to Shanghai, Beijing, a user want ...