1.11 Connection on Hold
A connection on hold is a telephone call you have placed but which you have interrupted for a short time.
The subscriber put on hold hears music on hold. The call on hold can be reactivated. If you have a second call on another line at the same time, the connection that was active until now will become a connection on hold.
In this way, you can conveniently take several calls “simultaneously” and easily switch between the individual callers (Call Swap).
Example:
Another call comes in for you while you are having a telephone conversation. The new call is displayed as incoming call. If you take this call, the call which was just active will be put on hold and the incoming call becomes active.