Open Security Gate

[Rodger Dill]

Good afternoon,

I have been trying to setup a flow that will open my gate when I answer the call.  I need to be able to send the number 9 tone when I pick up the phone.  

I have a flow that will play the DTMF tone 9 when I answer the call from the gate, but my gate is not recognizing the tone.  I am using the Block "Play Tone" and then selected the DTMF Key 9 and I have tried various durations from as short as 0.3 to 2 seconds.  I even put in delay block for a second and played the tone again.  I also looked at the example that is given on the examples page but that did not work.  using pn[i] - 48 as the tone.  replacing pn[i] with a 9.  If I manually press a 9 once the flow has completed the gate does open.  

If this has been asked, I apologize in advance for asking this again, but I could not find anything out there.  

Can anyone help?

Thank you in advance,

Rodger

[Henrik "The Developer" Lindqvist]

Android doesn't let regular apps play DTMF tones upstream in calls, as the documentation say, "Note! Few devices support playback in phone calls through the Voice call audio stream."