Specifications
26For more information and disclaimer, visit www.jabra.com
ELECTRONIC HOOK SWITCH (EHS) SOLUTIONS FOR SNOM
To connect your Snom phone and Jabra head-
set with the Snom-cable, just follow these 
simple steps:
SETTING UP THE SNOM PHONE 
Setting up Jabra PRO™ 9400 and 
Jabra GO™ 6470 – follow the guide on page 31.
SETTING UP JABRA PRO™ 920
1.  Connect the Jabra LINK™ adapter as shown  
in adapter documentation supplied with 
the Jabra LINK™. On some phones the 
telephone cable will also need to be 
connected.
2.  Call your connected desk phone using 
another phone to enable the Jabra LINK™ 
adapter. Wait 10 seconds before answering.
3.  Set a clear dial tone. Locate the clear dial 
tone switch on the back of the Jabra PRO 
920 base and rotate to “A”.
4.  Set the Microphone volume. Make a call 
to test your speaking volume. The listener 
should not adjust their own volume. You 
may adjust your microphone speaking 
volume using the + / - volume buttons.
SETTING UP JABRA GN9350e
1.  Open up the cover on the base unit. 
2.  On the LCD display, navigate to the handset 
picture. 
3.  Navigate to the DHSG mode and select it by 
pressing the OK button. 
4.  Set Compatibility selector in position “A”
. 
Compatibility selector
Jabra GN9350e
SETTING UP JABRA GN9330e
1.  Place the headset in the base with its 
indicators facing you. 
2.  Press the Telephone 
button on the Base for 
6 seconds while the 
headset is in the base until 
the headset’s blue LED is 
flashing rapidly.
3.  Use the volume up/down 
button to shift between 
the different EHS settings 
– see table below.
The base unit’s 4 battery indicators show 
which EHS mode the Jabra GN9330e is in.
25 %
100 %
GN RHL (Default)
DHSG
AEI
MSH
Note: If more than 15 seconds elapse without 
pressing the volume + or volume – button, the 
last selected interface will be activated. 
4. Set the base unit to the DHSG mode.
5.  To set the EHS mode, press the Telephone 
button on the Base for 6 seconds until the 
4 battery indicators flash once. Now wait 5 
seconds and the headset is initialized.
6. Set Compatibility selector in position “A”.
SETTING UP JABRA GN9120/
JABRA GN9125
1.  Set Compatibility selector (
Telephone 
Termination Switch Wheel
) 
in position “A”.
2.  Set the base unit to the DHSG mode by 
keeping the headset in the base and hold 
the volume + / - buttons on the headset for 
6 seconds until the red light on the base 
flashes rapidly.
3.  Scroll through the four different settings 
using + / - and set to the lips icon. Leave for 
15 seconds until the unit has displayed the 
confirmation flash sequence and it is ready 
to go!
SET UP INFORMATION 










