ITU-T V.110-2000
综合业务数字网(ISDN)对V系列型接口的数据终端设备的支持-系列V.第16工作组.第70页
Support by an ISDN of Data Terminal Equipments with V-Series Type Interfaces Series V: Data Communication over the Telephone Network Interworking with Other Networks Study Group 16; 70 pp