COMmander 6000/R/RX - Firmware V7.0D - Advanced Information V19 04/2018
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Settings – Functions
Automatic Receptions
Music on Hold during the ringing period
If the Music on hold during the ringing period option has been enabled,
a caller transferred by the automatic reception will only hear the music on
hold during this process (pressing the R key, dialling the internal number,
and ringing period).
The caller hears the call tone during the call phase.