Which functions can a participant control via the telephone keypad?

All participants of a Conference Call can use various functions via the telephone keypad. By pressing the asterisk key [ * ] you get to a menu where you have the following options:

  • [ 1 ] muting on/off
  • [ 4 ] turn other participants down
  • [ 5 ] request to speak (only available in PROFESSIONAL tariff)
  • [ 6 ] turn other participants up
  • [ 7 ] turn own voice down
  • [ 8 ] leave volume settings
  • [ 9 ] turn own voice up

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