See also:

Three-Way Calling
To initiate three-way calling, press the button while a call is in progress, and make a second phone call, as described under “Making a Second Call While Current Call is in Progress”. After ...

Place/Retrieve a Call From Hold
To put a call on hold, press the button until you hear a single beep. This indicates that the call is on hold. To bring the call back from hold, press and hold the button until you hear a singl ...

Media Center 130 (Sales Code RES)
NOTE: The radio sales code is located on the lower right side of the radio faceplate. Media Center 130 (RES) ...