缩写	全称	中文释义
DHD	Dial Home Device	拨号家庭设备
TEM	Telecom Expense Management	电信费用管理
ATTRA	Appropriate Technology Transfer for Rural Areas	农村适当的技术转让
LVC	Label Virtual Circuit	标记虚拟电路
MO	Mobile Originated	移动发起
MPOE	Minimum Point Of Entry	最小入口点
VCM	Vertical Conection Module	垂直连接模块
PITS	Proprietary Integrated Telephone System	专有综合电话系统
Vrsp	Voltage, Ringing Signal Positive	电压，振铃信号正极
CAPS	Call Attempts Per Second	每秒呼叫尝试次数