USB Cable
(Attached)
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Connect Cables
Features
harrietwilson@mycompany.com
System Requirements
The following are the minimum software and 
hardware requirements:
 Microsoft
®
 Windows
®
 Vista, Windows 7,
   Windows 8, Windows 8.1, or Windows 10
 Microsoft Lync
®
 or Skype for Business
 One available USB 2.0 compliant
   connection
Setup
Connect the USB cable to your computer, as shown 
in the Connect Cables section.
When you are signed in to Skype for Business, the 
CX300 R2 registers to Skype for Business client as 
an audio device. When you are not signed in to 
Skype for Business, the message ‘Sign into Skype 
for Business’ displays.
For more information, go to 
http://www.polycom.com/support/voice/cx/communic
ator_cx300.html, or contact your system 
administrator.
Place Calls
1. You can dial calls directly from your Polycom 
    CX300 R2 phone, or place calls using the Skype 
    for Business Contacts list. When you pick up the 
    handset, the Skype for Business Contacts list 
    opens on your screen.
2. To connect with someone in your Contacts list, 
    right click on the contact’s name and select Call > 
    Skype for Business Call. 
3. To call a number, use the Polycom CX300 R2 
    dialpad to enter the number. (Or, use your 
    computer keyboard to enter the number into the 
    search field, located at the top of the Skype for 
    Business interface. Press Enter when you have 
    finished typing the number.)
4. To enter additional numbers during a call, click the 
    Dial Pad button at the top of the conversation 
    window and enter the numbers.
Contact your system administrator for any issues 
related to Skype for Business. For more information 
about installation and startup, refer to the Polycom 
CX300 R2 User Guide.
Walsh, Mary - Offline 12 hours
Holt, Holly - Available - Video Capable
Cordue, Henry - Available - Video Capable
Macoy, ShaKira - In a meeting
Hill, John
Walsh, Mary - Offline 12 hours
Holt, Holly - Available - Video Capable
Cordue, Henry - Available - Video Capable
Macoy, ShaKira - In a meeting
LCD Display
Volume Up/Down
Keypad
Speaker Key
Redial Key
Delete Key
Headset Key
Mute Key
Speaker
Hookswitch
Microphone
Flash Key
Handset Cable
Handset
Computer
Headset
(Optional Accessory)