1E1 PRI Voice Logger Standalone PRI Voice logger With Hard disk * Support digital number one signaling (ISDN PRI), SS7 signaling. * Single device supplies 1 E1 or 2 E1 digital trunk high resistance two way monitor recording function. * Embedded ARM processor, DSP architecture * High resistance input port, record gateway can directly bridge the trunk line which need to be monitor. It does not have any influence on the trunk line. * Single gateway can realize 30/60 lines call information collection, such as caller ID and called number. Two way voice record. * All call information and conversation data transit by Ethernet port. * It can easily add and extend digital trunk gateway via Ethernet port. * Advanced network communication, data driven mode, Free from operation system and computer. It is convenient to do second development. The program can be porting