iDEN:integrated Digital Enhanced Network,综合数字增强网络。关联词:TETRA
IDRA:Integrated Dispatch Radio System,综合调度无线电系统
IMEI:International Mobile Equipment Identity,国际移动设备标识码
IMS:IP Multimedia Subsystem,IP多媒体子系统
IMSI:International Mobile Subscriber Identity,国际移动用户识别码
IMT-2000:International Mobile Telecommunication,国际第三代移动通信系统。关联词:FPLMTS
IMT-2000:Internet Mobile/Multimedia Telecommunication,互联网移动/多媒体通信
IS-95:Interim Standard-95,临时标准95