2. Host User Guide
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      3. 2. Host User Guide

      DTMF Commands Available

      Dual-tone multi-frequency signaling, or "DTMF" for short, is the universal standard that Digital Samba employs to receive touch-tone commands when a user dials in for audio. Here is a list of applicable DTMF commands:

      Dialed in with a Speaker PIN:

      Press * then 5 to mute/unmute all phone lines.
      Press * then 6 to mute/unmute your individual line.

      Dialed in with an Audience PIN:

      Press * then 6 to mute/unmute your individual line.

      Note: these are applicable in Digital Samba Phonesync bridges only. Other bridge providers will have different commands.