Esse-ti Europa GSM, Руководство пользователя

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AUXILIARY SERVICES Page
139
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D
OORPHONE CALLS
Outgoing doorphone call
Allows establishing a conversation with an external door station without
receiving the doorphone call.
¾
Pick up the handset and dial the code 338.
Conversation starts.
Incoming doorphone call
Allows answering calls from the doorphone.
Initial situation 1
Extension programmed to receive doorphone calls.
(ring)
¾
The telephone rings
¾
Pick up the handset.
Conversation starts.
Initial situation 2
The extension cannot receive doorphone calls, but can establish a conversation
with the doorphone. Another extension rings.
¾
Pick up the handset and dial the code 338.
Conversation starts.
Initial situation 3
You are engaged in a conversation; another extension rings or you hear the call
waiting tone.
(conversation) (ring)