
Implementation Of Iso/iec 15054 Private Integrated Services Network (pisn) - Inter-exchange Signaling Protocol - Call Interception Additional Network Feature (qsig-cint)
出版:British Standards Institution

专家解读视频
Implementation Of Iso/iec 15054 Private Integrated Services Network (pisn) - Inter-exchange Signaling Protocol - Call Interception Additional Network Feature (qsig-cint)
出版:British Standards Institution
专家解读视频