Samsung OfficeServ SOHO User Manual page 14

Hold
DND
Wireless Data Service
Clean Office
No Power Operation
14
Users can put the caller on hold to attend to an urgent matter or to
connect another line, and can later reconnect to the original caller.
Users can use the DND(Do Not Disturb) function to prevent the
phone from ringing even if a call arrives.
This product supports interface with communication devices(e.g., PC,
PDA) that include WLAN modules, enabling data communication service
via wireless LAN.
Wireless data service enables a clean office without cables.
You can make or receive external calls using the handset even during
power failures.(Only PSTN 1 is supported. However, other functions will
be disabled.)
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