Specification :

Szrunsun CDMA 8 ports FWT 800/ 1, 900MHz
8-port CDMA FWT
CDMA gateway
Supports RUIM
Mainly for VoIP call termination and origination
FWT have standard FXS ( RJ11) connect to many kinds of VOIP gateway
Such as quantum gateway, cisco gateway, new rock gateway, asterisk
IP PBX, PBX and more
Standard RJ-11 ( FXS) to telephone or VoIP gateway and PABX
Provide accurate anti-polarity signal
Precise reverse polarity
Caller ID
Callback functions
Support DTMF
Support second stage dialing
Can dial number including
Support CLIR ( calling line identity restriction)
Forbid incoming call
Set IP number before the number
Set the number cannot be dialed
1 U rack size
Supply DTMF dialing interface ( RJ11 phone interface)
Standby voltage: 45 to 50V
Hanging voltage: 9 to 14V
Ringing voltage: 75V
Call connected voltage: 9 to 12V
Dialing tone frequency: 420Hz
Busy-tone and disconnect tone with 0.35 seconds on/ off
DTMF on/ off interval: 100ms
Picking current: 23/ 43mA
25Hz ring, 600© impedance