Mt 8870 dtmf decoder

[kyrietec]

Can it be possible to use GSM to control the Mt8870

 

[tpetar]

Its possible. Almost every GSM phone can generate DTMF codes. But why to use DTMF codes, you need to establish connection, you can use SMS control.

 

[kyrietec]

Thanks.I want to use it to switch on/off 60watt bulb.pls I need cct connection of mt 8870 using gsm not line telephone

 

[tpetar]

Did you predicted security measures to avoid unauthorized access with some multi digit password or blocking phone with call ?

 

[kyrietec]

Thanks .Yes exctly