6. Using Additional Features90 DBS 576 issued April 2002 576-51-7503. Dial the extension number.1. Place the current call on hold.2. Dial the Direct Call to PDN access code (default = 766) or press the Direct Callto PDN key.3. Dial the extension number.4. If desired, wait until the PDN Extension answers and introduce the call.5. Hang up.ZIP MODEThe Zip mode feature (CPC version 2.5 or higher) automatically answers calls whenyou are operating a Key Telephone in headset mode.1. Press the ON/OFF key.2. Press the PROG key and dial 80.ORPress the ZIP key.3. Press the ON/OFF key.To transfer a call to the primary directory number extension(NPDNs not called)To enter or cancel Zip mode