I am working project about communication between phone and walkie talkie. I must use Asterisk.


Pic : https://drive.google.com/file/d/0Bzv1V3ioun2ANUhFZXBPUWZ2VjA/edit?usp=sharing


I need control walkie talkie by DTMF.
Control ( Phone similar to walkie talkie )
- transmit : Press phone button(9) send DTMF for talk (Push To Talk).
,Web phone receive DTMF and Press PTT on walkie talkie.

- I have interface for control walkie talkie.

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Would you mind explaining about DTMF and Code example.

Thanks you (ขอบคุณครับ)
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