Polycom SoundPoint IP 550 User Manual page 7

4 Microphone Mute ‐ Mutes your voice during a call. You can hear the
caller, but they cannot hear you.
5 Headset ‐ Place and receive calls through an optionally connected
headset.
6 Speakerphone ‐ Allows for hands‐free communication during calls.
7 Hands‐Free Microphone ‐ Place your phone on a hard, flat surface for
best results. Do not block the microphone.
8 Volume Keys ‐ Adjust the volume of the handset, headset, speaker, and
ringer.
9 Dial Pad ‐ These 12 keys provide the 10‐digits, the 26‐alphabetic
characters, and special characters in context‐sensitive applications.
10 Hold ‐ Holds an active call or resumes a held call.
11 Speaker ‐ Full duplex, hands‐free enabled option.
12 Soft Keys ‐ The screen displays labels for these keys to identify their
context‐sensitive functions.
13 Graphic Display ‐ Shows information about calls, messages, soft keys,
time, date, and other relevant data.
14 Line Keys ‐ Use these keys to activate lines that can be assigned to your
phone.
15 Line Indicators ‐ Individual multi‐color LEDs displays the dynamic call
state. The light indicators are:
Solid green – An active call is in progress.
Fast flashing green – There in an incoming (ringing) call.
Flashing red – The call is on hold.
Solid red – The line is busy remotely (shared lines).
16 Hookswitch/Flashhook
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