单选题Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）A***B**#C**1D**2
单选题
Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）
A
***
B
**#
C
**1
D
**2
参考解析
解析：
暂无解析
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