pstn, modem, isp, dsl, router, pabx, landline, reva, telephony, vonage, ethernet cable, centrex, vocable, baud, kilobit, callee, dialer, centigram, treo, sbc, earthlink, subscriber line, cingular, phones, mesh topology, tariffing, eyebeam, dongle, boxen, wireless, cellular, networks, omnidirectional antenna, megabits, wlan, payphone, wetware, variable resistor, redial, voicemail, dail, asynchronous transfer mode, radiotelephone, bandwidth, mediant, latencies, unes, caller id, freq, interconnect, nonvolatile storage, fibre optics, ethernet, dvi, hifi, passband, triode, nodes, impedances, fone, disconnects, directional antenna, cabling, kludge, call forwarding, wifi, broadband, moble, skype, telco, wideband, firewalling, roamers, nonlinear distortion, adapter, telephones, mux, headset, trickle charger, kilohertz, doohickey, phone service, callback, iden, engin, scp, functionality, synchronisation, dial tone, dingus, meg, infiniti, phreaking, coaxial cable, misdial, resonant cavity, skyping, baud rate, lambdas, touchtone, intermodulation, ssh