During the conference each participat can use the following DTMF commands:
*0 Ask for an operator asssistance
*1 Dial out (Only for Host, if enabled)
*2 Parties count
*3 leaves the conference
#4 sub conference instructions
*5 Mute/unmute all parties (only for Host)
*6 Mute/unmute self o ask a question in Q&A mode
*7 Room lock/unlock (only for Host)
*8 Entry and exit tones
*9 Record enable/disable (only for Host)
#3 Audio gain increase, only for the IT PoPs
#2 Audio gain decrease, only for the IT PoPs
Please note some PBX use the same DTMF commands for internal features.
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