Which three are features provided by an IP-to-IP gateway? (Choose three.)
![PrepAway - Latest Free Exam Questions & Answers](https://www.briefmenow.org/img/pa5.jpg)
A.
security
B.
IP to PSTN gateway
C.
address hiding using flow-around signaling
D.
protocol interworking for SCCP, SIP and H.323
E.
video integration
F.
Call Admission Control