you can, but why not just inject dtmf without the sound file?
On Monday, November 2, 2015, Vishal Sharma <vishal.sharma@knowlarity.com> wrote:
Vishal SharmaRegards,Can I play a sound file and generate DTMF digits on SIP.it simply play a beep sound ...but when I play same file, on sip. no dtmf is generated or detected on other end.Hi,In pstn when I play a sound file which contains dtmf digits, FS produce dtmf digits which can be detected on other end. I use sangoma card.
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