Aastra MBU 400 User Guide 51
Handling Calls
When the active call has disconnected or you have ended the call pressing the red
key , you are left with a call on hold.
4. Press the red key to return to the call on hold.

Swapping Calls

While on an active call with a call on hold you can swap calls, switching which call is
on hold.
To make the call on hold active and leave the active call on hold do the following.
1. Press the Options softkey.
2. Select Swap calls and press OK z.

Conferencing Calls

While on an active call with a second call on hold, you can connect to both calls at
once by conferencing the three calls together.
To connect to both calls do the following.
1. Press the Options softkey.
2. Select Conference and press OK z.

Transferring a Call

While on an active call with another call on hold, you can transfer the active call to a
number you enter or select from the Contacts list. See Transferring Calls on page 52
for details.

Transferring to the Call on Hold

While on an active call with another call on hold, you can transfer one call to the
other.
To transfer an active call to a call on hold do the following.
1. Press the Options softkey.
2. Select Transfer to and press OK z.
The active call and call on hold connect, and your phone disconnects.
Muting/Unmuting a Call
You can mute/unmute active calls if required. When a call is muted the bottom left
softkey label reads Mute off, and although you can still hear the call, no one else
connected to the call can hear you.
To mute or unmute a call do the following.
1. During an active call, press the Mute softkey.
2. Press the Mute off softkey to unmute the call.
CLR
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