Before a Cisco Unified Wireless IP Phone 7920 can place a call, it will compare the QBSS in the beacon from the access point with the QBSS threshold on the phone. What action will the Unified Wireless IP Phone 7920 take if the QBSS threshold in the beacon is exceeded?
A.
place the call
B.
prompt network busy
C.
prompt number busy
D.
disconnect from access point