用户: user; subscriber; consumer; ...到: 39信: letter; mail令: order; command; decree用户到用户: house-to-house用户到用户线路: user-to-user circuit用户信令: user-to-user signaling数字用户信令: dss digital subscriber signaling用户信令模块: usm user signaling module用户对用户信令: user to user signaling用户至用户信令: user-to-user signalling （uus）二号数字用户信令: digital subscriber signalling no用户信令承载业务: usbs user signaling bearer service返回到用户: return to user光纤到用户: fttc fiber to the customer; ftts fiber to the subscriber用户到达率: arrival rate of customers带呼叫控制的用户对用户信令: uuscc user to user signaling with call control; uuscc user to user signaling with call control多用户信道: multi-user cha el; multi-user channel用户信道: user channel用户信号: subscriber signal用户信号灯: called subscriber held lamp用户信息: fyi for your information; user information fyi; user profile; userinfo用户信息组: cig customer information group致用户信息: fyi登陆用户信息: userinfobase
