Administrator’s Guide for Yealink Video Conferencing Systems16Component instructions of the VCP40 phone are:Item Description① LCD ScreenShows information about calls, messages, soft keys, time, dateand other relevant data:• Call information—call duration• Icons (for example, )• Missed call information• Time and date② Soft Keys Label automatically to identity their context-sensitivefeatures.③ On-hook Key Rejects or ends a call or returns to the previous screen.④ Scrolls upwards through the displayed information.⑤ Enters list or answers incoming calls.⑥ Scrolls downwards through the displayed information.⑦ Keypad Generates the digits and special characters “.” “*” ”#”.⑧ Off-hook Key Initiates a call or answers a call.⑨ Presentation Key Enables or disables presentation.⑩ Mute Key Toggles the mute feature.⑪ Volume Key Adjusts the volume of the speakerphone and ringer.⑫ Microphone Picks up voice.⑬ LED Indicators Indicate phone and call statuses.⑭ Speakerphone Provides ringer and hands-free (speakerphone) audio output.⑮ MIC Port Connects a CPE80 expansion microphone to one of two MICports.⑯ Security Slot Allows you to connect a universal security cable to lock downyour phone. The phone cannot be removed when locked.⑰ Audio Out PortConnects to the video conferencing phone using the 7.5mEthernet cable labeled Audio in.Provides the power supply for the video conferencing phone.