Thats going to depend on your provider, Some may not have two way media during that stage, You'll have to just test it and see. /b On Mon, Dec 12, 2016 at 5:53 AM, david escartin <descartin@systemonenoc.com> wrote:
hello how are you?
do you know if there is anyway to detect inbound dtmf tones in early media by doing a session preAnswer, not connecting the call?
thanks a lot and regards david
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