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49
3 Phone F
unctions
●
Press
[1]
while talking. Then the door is open.
※
This function is available only in the extension phone that is connected to the system.
Using the extension phone
Note
When the door bell is ringing, pick
up the extension phone.
1
Start talking.
2
To end the call, place the handset
down.
3
Содержание SHT-8610
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