Which device would allow you to place calls from a Cisco Unified Communications Manager that is configured with SCCP phones…?

Which device would allow you to place calls from a Cisco Unified Communications Manager that is
configured with SCCP phones to a Cisco Unified Communications Manager Express that is
configured with SIP phones?

A.
gatekeeper

B.
gateway

C.
H.323 trunk

D.
SIP trunk

E.
Cisco Unified Border Element

Explanation: