Firmware Version 1.0.9.26
UCM6100 Series IP PBX User Manual
Page 249 of 305
(*56 by default). Then the user will be asked to enter the number to call, which should be either side of the
active call, extension A or B in this example.
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Caution:
“Enable Spy” allows any user to listen to any call by feature codes. This may result in the leakage of user
privacy.
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