12 Sep
2013
12 Sep
'13
5:28 p.m.
Depends on the carrier, FreeSWITCH itself has no issues with it.. some/many carriers block it to avoid people running ivrs before answer to avoid toll charges. On Sep 12, 2013, at 1:04 PM, Avi Marcus <avi@avimarcus.net> wrote:
Oh. I think it's written somewhere on the wiki that DTMF during pre_answer is unpredictable, it sometimes works and sometimes doesn't... -Avi