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Cisco Confidential
16
SESSION
CONTROL
Call Admissions
Control
Ensuring QoS
Statistics and Billing
Redundancy/
Scalability
INTERWORKING
SIP - SIP
H.323 - SIP
SIP Normalization
DTMF Interworking
Transcoding
Codec Filtering
DEMARCATION
Fault Isolation
Topology Hiding
Network Borders
L5/L7 Protocol
Demarcation
SECURITY
Encryption
Authentication
Registration
SIP Protection
Firewall Placement
Toll Fraud
Enterprise 1
IP
SIP
CUBE
IP
Enterprise 2
IP
CUBE
SIP
Rich Media (real time Voice, Video, Screenshare) Rich Media
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