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2.1 System Program
2.1.3
Return PBX to Factory Setting
Steps
Press Button
du
0 0 2 0 0 8 #
Extension 8001
Off-hook
System Password
du
9 0 0 0 #
On-hook
User can re-set system to factory after system work for some time;
This code do not re-set Extension number, Outside Line port switch status and Call
logs for PC.