Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified Communications Manager? (Choose two.)
A. SoftKeyEvent
B. OpenReceiveChannelAck
C. StartMediaTransmission
D. SelectSoftKeys
E. CloseReceiveChannel
F. StopTone
Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified Communications Manager? (Choose two.)
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Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified Communications Manager? (Choose two.)
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