Guide on connecting a headset and lifter to a handset without a headset port.
1. Fit the handset lifter to your desk phone as instructed by it's user guide.
2. Connect the handset lifter cable to the W860 AUX port
3. Unplug the desk phone curly cord and plug it into the W860's Handset Connector port
4. Connect the phone connection cable from the TEL port, into the port where you have just unplugged the curly cord from.