Samsung SMT-i6020 User Manual page 66

Activate Simple interlock mode of IP phones [Menu]  [Setting] 
1
[Deskphone Manager Information].
- Setting remaines in effect until it is changed by the user.
Start the app and press the
2
'USB connection' button.
Turn on USB tethering by selecting USB
3
tethering setting at the bottom and select
the Back button.
If USB tethering is activated, then
authentication is precessed automatically.
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