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Ports Numbers for the IPO by dizzyphil
Posted: 20 Jul 06

IP Office Ports
The list below details many of the IP ports used by IP Office control units and IP Office applications. Many of these are standard ports for different IP traffic protocols.


+         Indicates a port on the IP Office.

+         indicates a port on a PC running an IP Office service or application.

+         The names in brackets are those shown in the IP Office Monitor application after the port number.


+         Port 69 (Trivial File Transfer): File requests to the IP Office.

+         Port 69 (Trivial File Transfer): File requests by the IP Office.

+         Port 161 (SNMP): From SNMP applications.

+         Port 162 (SNMP Trap):
To addresses set in the IP Office configuration. Both SNMP Port numbers can be changed through the IP Office configuration.

+         Port 520 RIP:
From IP Office to other RIP devices. For RIP1 and RIP2 (RIP1 compatible) the destination address is a subnet broadcast, eg. For RIP2 Multicast the destination address is

+         Port 520 RIP: To the IP Office from RIP devices.

+         Port 1719 (H.323 RAS): Response to a VoIP device registering with IP Office.

+         Port 1720 (H.323/H.245): Data to a registered VoIP device.

+         Port 2127: PC Wallboard to CCC Wallboard Server.

+         Port 8080: Browser access to the Delta Server application.

+         Port 8089: Conferencing Center Server Service.

+         Port 8888: Browser access to the IP Office ContactStore (VRL) application.

+         Ports 49152 to 53247: Dynamically allocated ports used during VoIP calls for RTP and RTCP traffic. The port range can be adjusted through the System | Gatekeeper tab.

+         Port 50791 (IPO Voicemail): To voicemail server address.

+         Port 50793 (IPO Solo Voicemail): From IP Office TAPI PC with Wave drive user support.

+         Port 50794 (IPO Monitor): From the IP Office Monitor application.

+         Port 50795 (IPO Voice Networking): Small Community Network signalling (AVRIP) and BLF updates.

+         Port 50796 (IPO PCPartner):
From an IP Office application (for example Phone Manager or SoftConsole). Used to initiate a session between the IP Office and the application.  

+         Port 50797 (IPO TAPI): From an IP Office TAPI user PC.

+         Port 50799 (IPO BLF): Broadcast to the IP Office LAN, eg.  

+         Port 50800 (IPO License Dongle): To the License Server IP Address set in the IP Office config.

+         Port 50801 (EConf): Used by the Conference Center service.


IP Office Monitor can be used to display IP packet details including the source and destination Port numbers. As well as displaying the port numbers (in decimal), IP Office Monitor also displays the names of more commonly used ports including IP Office specific ports.

For example "src = 23" is interpreted as "src = 23 (Telnet)".

The list below details the ports currently decoded by IP Office Monitor. For a full list of assigned non-IP Office ports see http://www.iana.org/assignments/port-numbers.

+         20 File Transfer [Default Data]

+         21 File Transfer [Control]

+         23 Telnet

+         25 Simple Mail Transfer

+         37 Time

+         43 Who Is

+         53 Domain Name Server

+         67 Bootstrap Protocol Server

+         68 Bootstrap Protocol Client

+         69 Trivial File Transfer

+         70 Gopher

+         79 Finger

+         80 World Wide Web-HTTP

+         115 Simple File Transfer Protocol

+         123 Network Time Protocol

+         137 NETBIOS Name Service

+         138 NETBIOS Datagram Service

+         139 NETBIOS Session Service

+         156 SQL Service
 +         161 SNMP

+         162 SNMPTRAP

+         179 Border Gateway Protocol

+         1719 H.323Ras

+         1720 H.323/H.245

+         50791 IPO Voicemail

+         50792 IPO Network DTE

+         50793 IPO Solo Voicemail (i.e. Wave driver for TAPI)

+         50794 IPO Monitor

+         50795 IPO Voice Networking

+         50796 IPO PCPartner

+         50797 IPO TAPI

+         50798 IPO Who-Is response

+         50799 IPO BLF

+         50800 IPO License Dongle

+         50801 EConf



IP Office Monitor, as well as displaying the Protocol number (in decimal) of packets, also displays the names of the more common Protocols. For example "pcol = 1" is decoded as "pcol = 1 (ICMP)".  

Protocol numbers currently decoded by IP Office Monitor are:

+         1 - Internet Control Message [ICMP]

+         2 - Internet Group Management [IGMP]

+         6 - Transmission Control [TCP]

+         8 - Exterior Gateway Protocol [EGP]

+         9 - Interior Gateway Protocol [IGP]

+         17 - User Datagram [UDP]

+         41 - Ipv6 [IPV6]

+         46 - Reservation Protocol [RSVP]

+         47 - General Routing Encapsulation [GRE]

+         58 - ICMP for IPv6 [IPv6-ICMP]

+         111 - IPX in IP[IPX-In-IP]

+         115 - Layer Two Tunneling Protocol [L2TP]

+         121 - Simple Message Protocol [SMP]

Back to Avaya: IP Office FAQ Index
Back to Avaya: IP Office Forum

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