- Simple to install and easy to maintain
- Provide reverse polarity
- Caller ID (DTMF, after ONE Ring) to telephone or Voip gateway or PABX
Caller ID (FSK) to telephone or Voip gateway & PABX (Optional)
- CLIR (Calling Line Identification Restriction)
- Separate Power On/Off controller
- LED indicating Hook On/Off, Talking, Signal Strength, Power On/Off
- Dialing delay time can be set
- Support automatic dialing out
- Support to dial * & #
- DTMF automatically dialing to GSM, to Voip gateway, PABX (Optional)
- Voice adjustment of calling in and out, multi lever volume to be chosen
- Provide accumulator charger interface (Optional)
- Support Multi-way conference (Special Optional)
- Support conversation time limit (Special Optional)
- 4SIM Rotator Automatically (Special Optional)
- IMEI changing (Special Optional)
- Steady module & reliable design ensures good performance
- Strong signals with high gain antenna
- No noise & Clear voice
- Suitable for wide voltage range & Low power consumption
- Offer keypad command sets to define functions
Detail Description
