北京电信紧跟世界通信领域技术发展动向，不断引进成熟的新技术。目前，数字程控交换机总容量已达600万线，用户430万户，全市固定网电话用户总数达540万户，移动电话用户达300万户。电话普及率超过50％，市区高达65％。已建立了综合业务数字网、宽带业务网、多媒体通信及国际 Beijing Telecom follows closely the technological developments in the field of communications in the world and constantly introduces mature new technologies. At present, the total capacity of digital PBX has reached 6 million lines, with 4.3 million subscribers, 5.4 million fixed-line telephone subscribers and 3 million mobile subscribers. Telephone penetration is over 50% and urban area is up to 65%. Integrated Services Digital Network, Broadband Services Network, Multimedia Communications and International have been established