ZKTEK provides all kinds of custom OEM/ODM ATM machine,interactive kiosk,information kiosk, touchscreen kiosk, touchscreen monitor, touchscreen computer, box ipc,digital sginages, pos and metal keyboard products
VoIP:
VoIP stands for Voice over Internet Protocol. It is also referred to as IP Telephony or Internet Telephony. It is another way of making phone calls, with the difference of making the calls cheaper or completely free.
