An SCCP IP phone places a call to a SIP phone that is registered to the same Cisco Unified
Communications Manager Express. During the active call, call waiting indicates a second call is
incoming to the handset, but the user decides to ignore it. In this scenario, what is the combined
total number of signaling conversations and media flows that used the SCCP phone as an
endpoint?

A.
2

B.
3

C.
4

D.
5

E.
6