Gigaset dx800a Instruction Manual page 76

Using directories
Calling a Gigaset.net subscriber
You can call a Gigaset.net subscriber directly
via the Gigaset.net directory (see above) or
via their Gigaset.net number :
~ / s
Enter the Gigaset.net number
(including the #9) or select it
from the local directory.
c
Pick up the receiver.
Every number ending with #9 is dialled via
Gigaset.net.
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