There is an active call More.
If you receive a call while already in a call, a message is displayed.
Depending on the mobile phone and mobile network operator you will hear a call-waiting sound.
In addition, in two phone mode you will hear an acoustic signal when the call goes through to the other (not yet active) mobile phone.
![](../../assets/images/31e5b1ad4feee792ac190d154c75391a_1_-----.png)
The incoming call is active.
If only one mobile phone is connected with the multimedia system, the previous call will be put on hold.
If during a call you accept a call with the other mobile phone when in two phone mode then the existing call is ended.
![](../../assets/images/4fe8dac84feef648ac190d157c686cd8_1_-----.png)
This function and behaviour depends on your mobile phone network provider and the mobile phone (see the manufacturer's operating instructions).