Xinwoer LED Fixed Wireless Terminal Quad-Band GSM 850/900/1800/1900MHz Alarm, for Telephone Landlines, Alarms, Recording Boxes(US)
- ... operating status, automatic restart failure. With a reverse polarity signal, you can access the meter or use the computer meter. LED lights display information such as signal, standby status, working status, etc..
- STANDARD COMMUNICATION VOLTAGE: Standard communication voltage, can be connected with the user switch (PABX). Automatic IP function, multiple IP settings. Fixed long-distance automatic insertion of the calling IP prefix, such as 17951,17911,193 and so on..
- FIXED LONG-DISTANCE AUTOMATIC INSERTION: Fixed long-distance automatic insertion of the calling IP prefix, such as 17951,17911,193 and so on..