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Technical Reference: Cisco Contact Center Product Port Utilization Guide
Cisco Internet Service Node Port Utilization
For Product Revisions: ISN 2.x
Table 8 Cisco Internet Service Node Port Utilization
Protocol
Remote
Source
Port
Destination Port
Source
Port
Remote Device
Destination Port
Remote Device Notes
Telnet TCP23 Telnet Client On by default (MCS)
VNC HTTP helper TCP 580x Remote Control
VNC Display TCP 690x Virtual Network
Computer Display
Remote Control
Entercept HID
Agent
TCP 5000 Host Intrusion Detection
Console
LDAP TCP 8404 DCD Directory on
CallManager
SVCHOST TCP 135 TCP 135 Windows Service
Loader
NETBIOS-SSN TCP139 TCP139 NETBIOS Session
Service
SMB TCP 445 TCP 445 Microsoft CIFS
TCP 1039 TCP 1039 Windows Task
Scheduler
RMI TCP 1099 TCP 1099 RMI service
H.323 RAS TCP 1719 Gatekeeper RAS CallManager prior to
3.3.(X) and Cisco
Conference
Connection"
H.323 RAS TCP
1024–49
99
TCP 1719 Gatekeeper RAS CallManager 3.3
H.323 H.245 TCP 11000–11999 IOS H.323 Gateways
HTTP TCP 8000 VXML session Between
the ISN Application
server and the ISN Voice
Browser
HTTP TCP 8001 Browser ISN Diagnostics
Apache Java
Connector
Protocol
TCP 8007 VXML session Between
the ISN Application
server and the ISN Voice
Browser
Communication
between Tomcat and
Apache