８００业务是指主叫客户不需付费而由被叫客户集中支付电话费的一种智能电话业务。从２０００年５月起,北京长途电话局正式开通了国际８００来话业务。这一举措不仅使国内企业的知名度漂洋过海,而且更加方便了国外的消费者。北京长话局于１９９５年底开通国内８００业务,其发展 800 business refers to a caller’s client without paying a fee by the called client to pay a smart phone business. Since May 2000, the Beijing Long-distance Telephone Office has officially opened up 800 international incoming calls. This move not only makes the visibility of domestic enterprises across the sea, but also more convenient for foreign consumers. Beijing Long-distance Bureau opened the domestic 800 business by the end of 1995 and its development