User Guide for CP960 IP Phone158The mute key LED illuminates solid red and the icon appears on the status bar.To unmute the microphone:- Tap the Mute touch key again.- Swipe down from the top of the screen to enter the control center and toggle Mute off.- Tap Mute again.Call Hold/ResumeYou can place an active call on hold. Only one active call can be in progress on the phone at anytime. Other calls can be made and received while placing the original call on hold. When youplace a call on hold, your IP PBX may play music to the other party while waiting.
