4. To confirm, after approx. 10 seconds a low signal tone sounds in the
headset in the background. The settings are then saved.
Phone setup:
With the version 2.5.1.2000, the DHSG mode is deactivated by default
and must be activated via the Aastra.cfg or mac.cfg with the command
dhsg: 1.
From version 2.5.2 Options > Default settings > Audio settings > DHSG >
On
Audio mode must be set in the in the phone settings to
“headset/speaker”: Options > Default settings > Audio settings > Audio
mode > Heads./Loudsp.
Unfortunately, Remote Call Control In combination with an expansion
button field is not supported!
https://www.emea.jabra.com/supportpages/jabra-gn9120/9120-49-21/faq/4dfffab0-
fb7f-42bd-90b7-d4d640831ed7
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