Installation
The phone can detect various types of notifications (polarity reversal, high voltage and frequency shift
keying (FSK). The notification type is set with the MWI switch on the underside of the phone. "0" = Off,
"HV" = High voltage, "−/+" = Polarity reversal. The notification type Frequency reversal (FSK) is always
active, regardless of the switch setting (Mitel\ 6730 Analogue only).
The MiVoice Office 400 communication servers support the following notification types (Parameter MWI
mode configurable for each FXS Interface separately):
Table 75: Supported notification types
Notification type MWI switch setting Mitel SMBC Mitel 470
Switched off 0
Polarity reversal − and + yes yes
High voltage HV yes –
Frequency reversal
(FSK)
No symbol(Any switch
setting)
yes yes
Tip for the setting polarity reversal:
Set the switch of the phone (e. g. Mitel 6730 Analogue) to the symbol "−". If the MWI LED is blinking when
a message is available and off when no message is available, the switch is set correctly. If the MWI LED is
on when a message is available and blinking when no message is available the switch must be set to “+”.
Note:
• For the notification type FSK, a new message with a small envelope is displayed on the screen
of the phone Mitel 6730 Analogue. This variant is not recommended as the symbol can be easily
overlooked.
• The information in this section basically applies to analogue phones Aastra 1910 and Aastra 1930
too. In these models the MWI switch is labelled on the rear side of the phone, and the switch
settings for polarity reversal, with PR1 and PR2.
• The notification type Low voltage is also supported (used for other analogue phones, especially in
USA and Canada).
Mounting the phone on the desktop
Feed the mounting feet into the corresponding cut-outs on the underside of the phone until they engage. 4
different set-up angles are possible, by choosing the cut-outs and turning the set-up feet.
Release 7.1
171 System Manual for Mitel SMB Controller
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