Standalone telephone logger does not need to connect the computer, only connect power to record. Adopt high resistance parallel connection, can record all kinds of analog telephone, audio signaling. Store the calls info in the SD card or SATA hard disk. There are 2/4/8/16 channels to choose. Support internet search, play, monitor, backup, multiple places to install, centralized management.
It is easy to install and operate, stable and reliable. It widely use in finance security, public security, call central, electric power and traffic area and so on which need to record the telephone conversations.