Question # 21
Which cisco Meeting Server component is used for interworking between different communication protocols?
H.323 Gateway
Recorder
Web Bridge
XMPP Server
Cisco Expressway or Cisco VCS can be used to interwork H.323 calls to SIP, allowing H.323 endpoints to join conferences.
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/enterprise/11x/116/collbcvd/conferencing.html