SIGNALATIONS
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External call waiting tone
Indicates an incoming external call during a conversation in
progress.
Doorphone waiting tone
Indicates an incoming doorphone call during a conversation in
progress.
Hold
Indicates that the call has been put on hold.
Conference
Indicates that the extensions are connected to a conference
call.
Alarm clock
Indicates that the alarm clock is going off during a
conversation in progress.
Alarm
Indicates an incoming alarm call during a conversation in
progress.
C
ALL SIGNALS
(R
INGS
)
Internal call
Indicates an incoming call from another extension.
Return call
Indicates that the call previously put on hold, is resumed by
the extension.