[asterisk-users] DTMF begin ignored

[vip killa]

we've been getting complaints that DTMF is not working, i checked full log
for a call that they claimed DTMF didnt work, I noticed this:
DTMF begin '7' received
DTMF begin ignored
DTMF end '7' received
DTMF end passthrough '7'

why is the "DTMF begin ignored" called?
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