socket of the OptiPoint Acoustic Adapter marked with the "headset"
symbol.
2. Connect the split end of the DHSG cable with the Jabra Pro 9400
base as follows. Plug the RJ10 plug into the socket marked with a
“phone” symbol and the RJ45 plug into the base socket marked with
"AUX".
Then follow the instructions of the Jabra Pro 9400 base SmartSetup
Wizard.
Select phone settings, "Desk phone", then "Connect to a desk phone?”,
"Manual".
Select adapter type "Siemens OptiPoint"
Base setup:
https://www.apac.jabra.com/supportpages/jabra-pro-9465/9465-29-804-
102/faq/b59e26d8-9cae-4ded-bc5b-bec01f321ea6
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