Samsung SHT-8610 User Manual page 47

Using the extension phone
※ This function is available only in the extension phone that is connected to the system.
1
When the door bell is ringing, pick
up the extension phone.
2
Start talking.
Press [1] while talking. Then the door is open. (It works the same while calling and
●
Note
receiving.)
3
To end the call, place the handset
down.
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