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163 - 165 IP Telephony v1.0 TCP and UDP Port Numbers Copyright © 2005, Cisco Systems, Inc.
Protocol
Remote
Source
Port
CallManager
Destination
Port
CallManager
Source Port
Remote
Device
Destination
Port
Remote
Devices
Notes
DC
Directory
TCP 8404
Embedded
Directory
Services
Used for
Directory
services.
Application
Authentication /
configuration.
SoftPhone
Directory. User
Directory
Cisco
Tomcat
TCP 8444
IIS, Web
Requests to
EM Service
worker thread
Cisco
Tomcat
TCP 8555
IIS, Web
Requests to
Apache SOAP
worker thread
Cisco
Tomcat
TCP 8998 Web Requests
Cisco
Tomcat
TCP 9007
IIS, Web
Requests to
CAR worker
thread
RTP
UDP
16384-
32767
UDP 16384-
32767
Voice Media
IP IVR Media.
CCC IVR
Media, Cisco
SoftPhone,
Media
Streaming
Application
Cisco SNMP
Trap Agent
UDP 61441
Cisco Alarm
Interface
Receives some
SNMP alarm in
XML format.