TCP and UDP Port Numbers

TCP orUDP

Port Number

Purpose

TCP

2000 to 2002

Skinny (CM Encore)

TCP

11000 to 11999

H.323/H.245 Standard Connect ports

TCP

1720

H.323/H.245 Fast Connect or H.323/H.225 ports

TCP

1719

H.323/H.225

UDP

1719

Gatekeeper RAS

TCP

8001-8002

ICCP (CM Encore)

UDP

2427

MGCP (CM Encore)

TCP

2428

MGCP (CM Encore)

UDP

5060

SIP

TCP

5060

SIP

UDP

16384 to 32767

RTCP

Protocol

Remote Source Port

CallManager Destination Port

CallManager Source Port

Remote Device Destination Port

Remote Devices

Notes

DTC

TCP 135

CallManagers in the same cluster

SSH

TCP 22

Secure Shell Client

Telnet

TCP 23

Telnet Client

DNS

UDP 53

DNS Servers

DHCP

UDP 68

UDP 67

DHCP Server

DHCP

UDP 68

UDP 67

DHCP Client

TFTP

UDP 69

Dynamic Ports used after initial connect

HTTP

TCP 80

Administrator / User Web browsers

CCMAdmin and CCMUser pages

Protocol

Remote Source Port

CallManager Destination Port

CallManager Source Port

Remote Device Destination Port

Remote Devices

Notes

OSI (DAP, DSP, DISP)

TCP or UDP 120

DCD Directory

NTP

UDP 123

WINS

UDP 137-139

WINS Server

Windows Internet Name Service

SNMP

UDP 161

SNMP Trap

UDP 162

LDAP

TCP 389

TCP 389

Directory Services

When integrated with Corporate Directory

HTTPS/ SSL

TCP 443

SMB

TCP 445

TCP 445

CallManagers in the same cluster

Syslog

TCP 514

UDP 514

Syslog service

RMI

TCP 10991129

RMI Service. Attendant Console

MS SQL

TCP 1433

TCP 1433

CallManagers in the same cluster

H.323 RAS

UDP 1719

Gatekeeper RAS

CallManager prior to 3.3.

Cisco Conference Connection

H.323 RAS

UDP 10244999

UDP 1719

Gatekeeper RAS

CallManager 3.3

H.323 H.225

TCP 1720

TCP 1720

H.323 Gateways / Anonymous Device Cisco Conference Connection /

Non-Gatekeeper Controlled H.323 Trunk

H.323 H.225/ICT

TCP 10244999

CallManager Gatekeeper Controlled H.323 Trunks

CallManager 3.3

H.323 H.245

TCP 10244999

TCP 10244999

H.323 Gateways / Anonymous Device / H.323 Trunks

Protocol

Remote Source Port

CallManager Destination Port

CallManager Source Port

Remote Device Destination Port

Remote Devices

Notes

H.323 H.245

TCP 1100065535

Cisco Conference Connection

SCCP

TCP 2000

Skinny Clients (IP Phones)

Skinny Gateway (Analogue)

TCP 2001

Analogue Skinny Gateway

Obsolete

Skinny Gateway (Digital)

TCP 2002

Digital Skinny Gateway

Obsolete

MGCP Control

UDP 2427

MGCP Gateway Control

MGCP Backhaul

TCP 2428

MGCP Gateways Backhaul

RTS Serv

2500

Cisco Extended Service

TCP 2551

Active / Backup Determination

Cisco Extended Service

TCP 2552

DB Change Notification

RIS Data Collector

TCP 2555

Inter RIS communication

RIS Data Collector

TCP 2556

Used by clients (IIS) to communicate with RIS

CTI/QBE

TCP 2748

TAPI/JTAPI Applications

Connects with CTI Manager. Used by IVR, CCC, PA,

Cisco Softphone, CRS, ICD, IPCC, IPMA,

Attendant Console and any other application that utilizes the TAPI or J/TAPI plugin / TSP.

IPMA Service

TCP 2912

IPMA Assistant Console

Media Streaming Application

UDP 3001

Change Notification

Protocol

Remote Source Port

CallManager Destination Port

CallManager Source Port

Remote Device Destination Port

Remote Devices

Notes

SCCP

TCP 3224

Media Resources

Conference Bridges / Xcoders

MS Terminal Services

TCP 3389

Windows Terminal Services

Entercept HID Agent

TCP 5000

Host Intrusion Detection Console

CallManager SIP

TCP/UDP 5060

TCP 5060

SIP Trunk Default Port

Can use TCP 1024 - 65535

VNC http helper

TCP 580x

Remote Control

VNC Display

TCP 690x

Virtual Network Computer Display

Remote Control

CallManager

Change Notification

TCP 7727

Change Notification.

Cisco database layer monitor, Cisco TFTP, Cisco IP media streaming, Cisco TCD, Cisco MOH

RealTime Change Notification

IPMA Service

TCP 8001

IP Manager Assistant

Change Notification

ICCS

TCP 8002

TCP 8002

CallManagers in the same cluster

Intra Cluster Communication

CTIM

TCP 8003

Cisco Tomcat

TCP 8007

Web Requests

Cisco Tomcat

TCP 8009

Web Requests

Cisco Tomcat

TCP 8111

IIS, Web Requests to IPMA worker thread

Cisco Tomcat

TCP 8222

IIS, Web Requests to EM application worker thread

Cisco Tomcat

TCP 8333

IIS, Web Requests to WebDialer application worker thread

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 1638432767

UDP 1638432767

CCC IVR Media, Cisco SoftPhone,

Media Streaming Application

Cisco SNMP Trap Agent

UDP 61441

Cisco Alarm Interface

Receives some SNMP alarm in XML format.