Make a call (computer or desk phone)
1. Tap an Audio button   on your base display. You hear a dial tone. 
NOTE: Desk phone only: Press the phone's Headset   button or manually 
remove the handset if you don't have an HL10 lifter or EHS cable.
TIP:  If you do not hear a dial tone, turn over the base and adjust the switch 
(A--G). “A” works for the majority of desk phones. "D" works for Cisco phones.
2. Dial from your softphone or desk phone. 
Answer or end a call
To answer or end a call, choose:
● Tap the headset Call   button. 
● Computer or desk phone: Tap the corresponding Audio button 
NOTE: Desk phone only: If you don't have an HL10 lifter or EHS cable, Press 
the phone's Headset   button or manually remove the handset when 
answering a call or hang up the handset when ending a call.
Mute
■
During an active call, tap the Mute   button to mute or unmute your headset.
Hold a call
■
To hold an active call or resume a held call: 
● Headset: Double-press the Call  .
● Base: Tap the corresponding Computer or Desk phone Audio   button. 
The button flashes red when a call is on hold.
NOTE: Two desk phone calls can be put on hold only from your desk phone. 
Check your desk phone user guide.
Switch between calls (flash)
Switch between two calls on your headset. This feature is not available for mobile 
phone calls.
Make a call (computer or desk phone)
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