Jabra M5390 User Manual

6

Electronic Hook Switch (EHS) Solutions for Cisco

To connect your Cisco Unified IP Phone and Jabra headset with the HHC Adapter, just follow these 

simple steps:

Connect the large plug to the AUX port on the phone

1. 

Connect the smaller plug to the AUX port on the headset base

2. 

Connect the normal audio cable to the headset socket on the phone and the phone socket on 

3. 

the headset base.

Open up the cover on the base unit. 

1. 

On the LCD display, arrow over to the 

2. 

handset picture and select it. 
Arrow down to the DHSG mode and 

3. 

select it by pressing the okay button. 
Set Dial tone selector in position “A”

4. 

. 

Set the headset to the DHSG setting 

1. 

by keeping the headset in the charge 
stand and hold plus and minus in for 
6 seconds until the red light on the 
headset flashes rapidly.
Scroll through the three different 

2. 

settings using plus and minus and set 
to the lips icon. Leave for 15 seconds 
until the unit has set itself and is 
ready to go!

AUX

OLI

4/12
3/12

<

Jabra GN9350/

Jabra GN9350e

Dial tone 

selector

Jabra GN9350/
Jabra GN9350e

Jabra HHC Adapter for Cisco

Jabra GN9120 EHS/
Jabra GN9125 EHS

OR

Cisco Unified IP Phone 7975G

Cisco Unified IP Phone 7945G

Cisco Unified IP Phone 7965G

Cisco Unified IP Phone 7942G

Cisco Unified IP Phone 7962G

regional sales contacts:
Americas: Bill Orlansky, borlansky@gn.com
EMEA: Norbert Lohwieser, nlohwieser@GN.com
APAC: Mike Powrie, mpowrie@gn.com

SEE THE LAST PAGE FOR ORDER INFO

HHC requires Cisco Unified Communications Manager 4.1 (3) or above plus the 8.3 (3) phone firmware load