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Model 6739i IP Phone Installation Guide 17
Other Phone Features
Adjusting the Volume
Pressing the volume button adjusts the receiver, headset,
speaker, and ringer volume.
• To adjust the ringer volume, leave the handset in the cradle and press
the volume button while there is no active call. There are
10 settings for the ringer including Off — the display will temporarily
indicate the current ringer volume setting.
• To adjust the handset volume, lift the handset and press the volume but-
ton while the handset is off hook. The handset will remain
at this volume until it is adjusted again.
• To adjust the headset volume, press the volume button
while the headset is activated (activate the headset by pressing ;
ensure headset audio mode is set). The headset will remain at this vol-
ume until it is adjusted again.
• To adjust the speaker volume, press the volume button
while the speaker is activated (activate the speaker by pressing ;
ensure handsfree speakerphone audio mode is set). The speaker will
remain at this volume until it is adjusted again.
Status Lights (LEDs)
The speaker LED, beside the key, and the Message Waiting
Indicator (MWI) LED, on the top right of your phone, provide visual
indications of your phone’s status.
Speaker LED
Message Waiting Indicator (MWI)
Call Timer
• When you make or answer a call, the Timer shows the elapsed time of
the call.
Speaker LED Status Description
ON solid Indicates a call is on Handsfree (speakerphone)
Slow Flash Indicates you are using the headset.
Rapid Flash
Indicates the call is muted. Press to take the
call off mute.
MWI LED Status Description
Slow Flash Indicates you have a message(s).
Rapid Flash Indicates you have an incoming call.
Even Flash Indicates one or more calls are on hold.
Speaker/Speaker/
HeadsetHeadset
Speaker/Speaker/
HeadsetHeadset
Speaker/Speaker/
HeadsetHeadset
Mute