• Connect one end of the telephone interface cable to the back of the base
• Connect the other end of the telephone interface cable into the dedicated headset
port on the desk phone
Important: Cisco phones use configuration D on the back of the base. Most other
phones use default configuration A. Use this setup if you are not using the HL10 lifter
or EHS cable. In this configuration, press both the headset button on your desk
phone and the call control button on the headset to answer or end calls.
B Desk phone (standard)
• Connect one end of the telephone interface cable to the back of the base
• Disconnect the handset coil cord from the base of the desk phone and re-connect
it to the telephone interface cable junction box
• Finally connect the remaining end of the telephone interface cable into the open
handset port on the desk phone
Important: Cisco phones use configuration D on the back of the base. Most other
phones use default configuration A.
Note: Use this setup if you are not using the HL10 lifter or EHS cable and your desk
phone does not have a dedicated headset port. In this configuration, manually remove
the handset on your desk phone and press the call control button on the headset to
answer or end calls.
C Desk phone + EHS cable (sold separately)
Important: Use configuration A on the back of the base, which works for most
phones including Cisco phones.
D Desk phone + HL10 lifter (sold separately)
7