Siemens Gigaset M2 Professional Operating Manual page 93

Conducting calls – with multiple users
Step by Step
Accepting a second call
Prerequisite: You are making a call. The camp-on func-
tion is activated.
You will hear a warning tone. The calling party will hear
the ringing tone as though you were "free" .
> < [
Select and confirm. You are connected to the second
PICKUP
caller. The first caller is placed on hold.
Ending the second call, resuming the first call:
Replace the handset and lift it again.
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