ATCOM AT800DP User Manual page 5

AT800 Series User Manual
FAQ .........................................................................................................................................39
How to restore to factory settings....................................................................................39
Upgrading in the safe mode.............................................................................................39
How to make direct IP calls.............................................................................................39
How to connect headset...................................................................................................39
Trouble shooting......................................................................................................................40
Phone can't register to the SIP server..............................................................................40
Device can't obtain IP address ........................................................................................40
Conversation with one way speech .................................................................................40
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