User manual

Professional IP Phone Overview
- 8 -
the selected input mode, you can enter digits, lower / upper case or special characters.
Navigation Keys
Use the navigation keys to navigate in the display menus and confirm and cancel
actions.
Audio Device Control Keys
Use the audio device control keys to perform the following actions depending on your
phone type:
： Adjust the volume of the handset, headset, speaker and ring tone;
： Allows for hands-free communication during calls;
： Place and receive calls through an optionally connected headset. The LED will be
on when the phone is in Headset mode;
： Mute audio transmission locally during calls;
Hard Feature Keys
： Allow users to access the voicemail and SMS directly;
： Forward the current call to third party;
： Dials most recently dialed number
LED Instruction
Table 1 Account Button LEDs
LED Status Description
Steady yellow The account is active
Blinking yellow There is an incoming call to the account
off The phone is in idle status whatever registered
/unregistered