User guide

take the call off mute.
Telephone Light
• Light flashes and the display shows Call is on hold: a
call is on hold. Press or lift the handset to
take the call off hold.
• Light flashes and the display shows Message Waiting:
you have voicemail.
• Light flashes quickly and the ringer sounds: you have
an incoming call.
• Light is on and the display shows Extension in use:
an extension telephone is using the line. The mes-
sage also appears when the telephone is not properly
connected to a phone line.
Timing a Call
When you make or answer a call, the Timer shows the
elapsed time of the call.
Additional Phone
Features
Emergency Service Feature
The INTERACTIVE INTELLIGENCE 390/480e
will provide telephone service during a power failure.
However, only the dial pad, ringer and handset will
function. If you are on a handset call during a power
interruption, the 390/480e will keep the call, although
the display will not work while the power is off.
Handsfree calls will not be reestablished during a
power interruption.
Interactive Intelligence 390/480e P
hone User Guide
25
Adjusting the
Volume
Pressing the volume button adjusts the
receiver, speaker, and ringer volume. The default hand-
set and headset volume is always set at medium
• To adjust the ringer volume, leave the handset in
the cradle and press the volume button
while there is no active call. There are 8 settings for
the ringer—the display will temporarily indicate the
current ringer volume setting.
• To adjust the handset/headset volume, press the
volume button while you are on a call. The handset
will return to the default volume after you hang up.
• To adjust the speaker volume, press the volume
button while the speaker is activated (activate the
speaker by pressing in the model 390
or / in the 480e. The speaker will remain at
this volume until it is adjusted again.
Status Lights
Speaker Light
• Speaker light is on: a call is on Handsfree (speaker).
• Speaker light flashes slowly: indicates that the head-
set/handset is being used.
• Speaker light flashes and the screen displays the
prompt Microphone muted: a call is muted. Press
in the model 390 or in the 480e to
Interactive Intelligence 390/480e P
hone User Guide
24