If connecting a metering device, it is also a good solution for PCOs (public call offices) to reduce phone call costs via wireless network.
It can let you use your telephone or PBX to make cheaper voice calls to mobile than that is made from your landline phone.
Some functions
1) LED indicating Hook On/Off,Talking,Signal Intensity,Power On/Off
2) Setable dialing delay time
3) Setable automatic dialing(Optional)
4) Support to dial all number including of * # (Optional)
5) DTMF Automaticly dialing to GSM , to voip gateway , PABX(Optional)
6) SPK & MIC volume regulate(Optional)
7) Provide accumulator charger interface (Optional)
8) Multiparty Calling teleconference (Optional)
9) Setable Maxim talking time to warn of exchanger card (Optional)
10) Separate Power On/Off controller
If you want to know more information, please contact us or sent email.
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Tel: +8613428718801
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