User`s manual

14
Headset operation
Volume control
To adjust the ringer volume:
When the headset is not in use, press +/–/VOLUME on the side of the headset.
To adjust the listening volume:
During a call, press +/–/VOLUME on the side of the headset.
Call waiting
When you subscribe to call waiting service from your telephone service provider, you
hear an alert tone from the headset earpiece if there is an incoming call while you are
on another call.
• Press and hold
MUTE/FLASH for two seconds to put your current call on hold and
take the new call.
• Press and hold
MUTE/FLASH for two seconds at any time to switch back and forth
between calls.
Mute
The mute function allows you to hear the other party but the other party cannot
hear you.
1. During a call, press MUTE/
FLASH on the headset. The headset announces “Mute on.”
The headset beeps every 30 seconds until the mute function is turned off.
2. Press MUTE/
FLASH again to resume the conversation. The headset announces
“Mute off.”
Switch a call between the SIP telephone and the headset
• To switch from the phone handset to the headset during a call, press on the
headset or the HEADSET key on the telephone, and then hang up the handset.
• To switch from the headset to the phone handset during a call, lift the telephone
handset, or press the SPEAKER key.
When the volume reaches the minimum or maximum setting, you will hear two quick beeps.