Call control using R / Flash button on W24FXS 2015:

(starting from FW version 27.18.01.16)

In case of the second incoming call during an active call:

  • press R to put the active call on hold and to answer the second incoming call
  • press R+1 to end the active call and to answer the second incoming call

In case you have one active call and one call on hold:

  • press R to swap the calls (or R+2)
  • press R+1 to end the active call and to resume the call on hold