Cisco Cisco IOS Software Release 12.4(6)T プリント
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Cisco IOS Firewall
Trusted Relay Point
Trusted Relay Point
Delivering
Secure
Unified Communications
Provides authentication of firewall open port
requests
requests
Handles asymmetric signaling/media paths
Provides encrypted signaling
FW ports open only for session length
A
CUCM
TLS
(Encrypted
signaling
TRP
RTP
Cisco IOS
Security