An overview of telephone
Understanding state icons
NETfon 500/550 - User Guide 723142004-A0-LM
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Mute
Toggles the microphone on or off. When the microphone is muted, the partner
cannot listen to the conversation.
Hold
= You have a call on hold.
Speakerphone
= the handsfree mode is in use.
Password
= The access to telephone programming menu and call list is protected by
password (default: empty).
Meeting mode
= The ringtone is set in meeting mode (an incoming call rings once and then
blue central led flashes only).
Silent mode
= The ringtone is set in silent mode (blue central led flashes only).
DTMF ON
= The DTMF dialling is active.
Automatic Enblock
= automatic enblock selection is active, service available if the phone is placed
on hook position.
FTP Server
= Impossible to reach FTP server.