Voice and Chat Ports

Openfire Admin Console

**Openfire Administration Console** is a web interface used to configure, manage, and monitor the Openfire real-time collaboration server, which supports XMPP messaging. It enables administrators to easily perform server maintenance, user management, plugin control, and monitor server statistics using an intuitive graphical interface typically accessed via a web browser.

Garena Gaming

Garena Gaming Client is an online gaming platform that enables players to connect, communicate, and participate in multiplayer games. It offers a comprehensive environment with social features, matchmaking, and support for various popular titles, aiming to enhance the gaming experience across different game genres.

Openfire Admin Console (SSL)

Openfire's secured web-based Administration Console operates on port 9091, providing administrators encrypted access to configure and manage the Openfire real-time collaboration server. It offers a user-friendly interface for server setup, user management, group chat configuration, and plugin management, all protected by SSL encryption to ensure secure administrator connections.

Mobrien Chat

Mobrien Chat is a communication service operating over TCP and UDP on port 2031. It facilitates real-time messaging and chat functionalities for its users, leveraging a dedicated protocol hosted primarily at mobrien.com. Intended to enable efficient text-based conversations, it serves as the backbone of the chat platform's data transfer, supporting a rich and interactive messaging experience. While it provides a straightforward messaging service, it typically operates without encryption by default, which can impact the privacy and security of transmitted information.

H.323 Signaling

TCP port 1720 is primarily used for H.323 call signaling, a protocol suite widely employed for real-time voice, video, and data conferencing over IP networks. It manages the setup, control, and termination of interactive communication sessions, enabling interoperability across diverse VoIP and multimedia conferencing equipment. This port facilitates the initial connection negotiation between endpoints before media streams are established.

Camfrog Chat

**Camfrog** primarily uses port 6005 as the default communication port for its chat and webcam client application, facilitating real-time video and text chat sessions. This port allows users to connect to Camfrog’s servers and interact with chat rooms or direct video calls with other users on the platform.

Miralix Phone Monitor

Miralix Phone Monitor is typically used in conjunction with call center and telephony solutions to monitor, control, and manage interactions across multiple communication channels. It facilitates the integration of telephony events, allowing tracking and oversight of phone use within enterprise environments.

Pichat Server

Pichat Server operates on port 9009 and is utilized as part of a peer-to-peer (P2P) chat application suite. It facilitates the real-time exchange of messages directly between clients without relying on centralized infrastructure. Designed primarily for instant communication, its P2P nature offers benefits such as reduced server overhead and potentially enhanced privacy compared to centralized services.

Google Talk Voice & Video

Port 19302 is primarily used by Google Talk services for establishing voice and video call connections. It's widely utilized in Google's WebRTC infrastructure, which enables browsers and mobile applications to communicate in real-time using peer-to-peer connections. This port is essential in facilitating media negotiation and relay through Google's STUN servers, helping traverse NATs and firewalls for seamless user experience.

iChat Transfer Proxy

Port 7777 is commonly used by Apple's iChat server as a file transfer proxy, enabling peer-to-peer file sharing when direct connections are not feasible due to network restrictions like NAT or firewalls.

Audition Online / G10 Server Check

Port 19000 is commonly used by Audition Online Dance Battle and G10/alaplaya gaming platforms for server status and version checks. It facilitates client-server communication to verify game service availability and version compatibility, helping users connect seamlessly to game servers during startup and patching.

Audition Online Thailand

Audition Online Dance Battle is a popular rhythm-based multiplayer online music and dance game operated by AsiaSoft on Thailand servers. Players compete by matching dance moves in sync with the music soundtrack, enabling social interaction, customization, and competitive tournaments within the platform.

Internet Relay Chat

Internet Relay Chat (IRC) is an early and influential chat protocol that enables real-time text communication between multiple users over the Internet. Utilizing a centralized server, IRC allows users to join channels or create private conversations, fostering vibrant, often topic-specific communities. While less dominant today, it remains popular in niche circles, particularly among developers and tech enthusiasts.

Xivio Chat Server

Port 7777 is commonly known for hosting the Xivio.com chat server interface. This port facilitates text-based real-time communication, enabling users to connect to Xivio’s live web chat service. It handles incoming client connections and relays chat messages between users across various channels, forming the backend connectivity layer for the chat platform.

Audition Online FAM DB

Port 18306 is primarily used by Audition Online Dance Battle, an online multiplayer rhythm game. Specifically, this port facilitates connections to AsiaSoft's Southeast Asia (SEA) servers, handling data for the game's Family (FAM) database system. This supports group-related activities, leaderboards, social features, and in-game event coordination for FAM clan communities within the game.

Google Talk Voice/Video

Port 19294 is associated with Google Talk's voice and video features. It facilitates real-time communication by enabling the transmission of audio and video streams during Google Talk conversations, supporting a smooth and low-latency experience.

Softros LAN Messenger

Softros LAN Messenger is a secure, serverless instant messaging application designed primarily for intra-office communication within a local area network. It supports one-to-one messages, group chats, broadcast notifications, and file transfers, enabling efficient, encrypted collaboration without exposing sensitive data outside the organization.

IRC over SSL

Port 6697 is commonly used to deliver encrypted Internet Relay Chat (IRC) communications over SSL/TLS. It provides an additional security layer to safeguard chat messages against eavesdropping and interception during transit. While unofficial, this port is broadly adopted by modern IRC servers aiming to protect user privacy and credentials through encryption.

XMPP over SSL

Port 5223 is primarily used for secure client connections in the Extensible Messaging and Presence Protocol (XMPP). It enables encrypted communication between XMPP clients and servers, facilitating secure instant messaging, presence information exchange, and collaboration applications. Historically, this port has been used to support SSL/TLS encrypted connections for clients needing to protect data in transit.

Microsoft Notification Protocol

Port 1863 is primarily used by the Microsoft Notification Protocol (MSNP), which underpins the connectivity for Microsoft’s instant messaging clients such as MSN Messenger and legacy .NET Messenger services. This protocol facilitates presence information, instant messaging, and notification delivery to users on these platforms.

Zephyr Notification Service

Port 2103 is primarily associated with the Zephyr Notification Service developed under MIT's Project Athena. This service enables real-time messaging and notification delivery across distributed computing environments, allowing users to receive alerts, chat, and status updates.

Audition Online Dance Battle Nexon

Port 18506 is primarily associated with Nexon's Audition Online Dance Battle game servers, facilitating real-time multiplayer gameplay. The port handles network traffic between game clients and Nexon's infrastructure, supporting both TCP and UDP protocols to enable gameplay interactions such as matchmaking, data synchronization, and in-game communication. Due to its use in an online gaming environment, the port often supports high concurrency and low latency communication.

IRC SSL

**IRC SSL on port 6679** is frequently used for secure Internet Relay Chat services, enabling real-time text communication over an encrypted connection. It protects message content during transmission by leveraging SSL/TLS, thereby ensuring privacy and integrity. Although this port is unofficial, it is widely adopted by IRC networks to add a security layer to traditional plaintext IRC communications.

MapleStory

MapleStory is a popular 2D side-scrolling MMORPG that uses port 8484 for client-server communication, primarily for handling login authentication, gameplay data exchange, and real-time multiplayer interactions. The application operates over both TCP and UDP to ensure a seamless gaming experience, managing everything from user sessions to in-game chat and actions in near real-time.

Google Talk Voice & Video

Port 19295 is commonly used by Google Talk's voice and video communication services, facilitating the real-time exchange of audio and video data between users. Operating over UDP, this port supports the seamless transfer of media streams to enable conferencing, VoIP, and video chat functionalities integral to Google Talk and related instant messaging platforms.

BFCP

Binary Floor Control Protocol (BFCP) facilitates the management of additional media streams, such as content sharing, during SIP-based video conferencing sessions. Standardized as RFC 4582, it allows participants to coordinate multiple video channels by establishing speaker or content presentation privileges, enhancing collaboration capabilities in environments that require structured media control. This port is also utilized as a preferred port for SIP PUBLISH messages to Cisco Unified Presence Servers (CUPS).

Audition Korea Server

Port 12013 is predominantly utilized by the Korea server of Audition Online Dance Battle, an interactive multiplayer rhythm game. The port supports both TCP and UDP protocols to ensure smooth gameplay, low-latency communication, and continuous data streaming. Players rely on this port connection for real-time synchronization during dance battles, matchmaking, chat functionality, and game updates.

SIP over TLS

Port 5061 is primarily used for Session Initiation Protocol (SIP) signaling over Transport Layer Security (TLS), offering encrypted communication channels for establishing and managing Voice over IP (VoIP) sessions. This secures call setups, modifications, and teardowns, providing confidentiality and integrity for signaling data between clients and servers.

Audition Online Brazil Server

Port 18401 is primarily used by Audition Online Dance Battle's KAIZEN Brazil Server, supporting gaming connectivity for real-time multiplayer dance competitions. This port facilitates both TCP and UDP communication vital for game control commands, matchmaking, chat messaging, and synchronization among players during gameplay.

IBM Sametime & SQL Server

Port 1533 is primarily known for IBM Sametime, which is an enterprise instant messaging and collaboration platform, as well as some communication with Microsoft SQL Server components. It facilitates virtual meetings, rich media chat, and integration with various enterprise tools that support real-time messaging and presence information.

Xfire Game Server Tracking

Port 25888 was primarily associated with Xfire, a now-defunct social gaming platform that allowed gamers to communicate, track gameplay, and share server information. This UDP port was used by Xfire clients to communicate with game servers, facilitating friend lists, chat functions, and game tracking capabilities. Although Xfire's service has been discontinued, remnants of its infrastructure, such as historic firewall logs, may still reference activity on this port.

Polycom Broadcast

Port 6771 UDP is typically used by Polycom conferencing systems to facilitate server broadcasts and device auto-discovery within corporate and enterprise networks, enabling seamless deployment and management of voice and video solutions.

psyBNC

psyBNC is a popular IRC proxy or Bouncer that allows IRC users to maintain a persistent connection to IRC networks even when they are disconnected. Commonly used by advanced users for privacy, convenience, and hiding IP addresses, it offers multi-server support and filtering capabilities, making it a versatile tool for managing IRC sessions efficiently.

RTP Media Data

Port 5004 is primarily used for carrying Real-time Transport Protocol (RTP) media streams, as specified in RFC 3551 and RFC 4571. RTP is designed for delivering audio and video across IP networks with minimal latency, making it the core protocol behind most real-time audio/video communication services such as VoIP, video conferencing, and streaming media delivery.

Steam Friends Applet

Steam Friends Applet is a communication component used by the Steam gaming platform. It facilitates the management of friends lists, status notifications, in-game chat, and related community features. The applet primarily relies on UDP traffic to maintain real-time responsiveness necessary for gaming and social interactions. Designed to enhance the multiplayer and social experience within Steam, it contributes to user connectivity and engagement within the platform.

Miralix Proxy

Miralix Proxy is primarily used by Miralix solutions to facilitate call center communication management and proxying of signaling data between various telephony components. It acts as a middleware component, ensuring seamless integration and data exchange in complex telecom environments.

XMPP Server Connection

Port 5269 is primarily used for server-to-server communication in the Extensible Messaging and Presence Protocol (XMPP), which facilitates real-time messaging, presence notifications, and contact list maintenance across federated servers. This port enables different XMPP servers across the Internet to interconnect, allowing users on different domains to chat seamlessly.

Live Messenger Whiteboard Sharing

Port 1503 is historically associated with Windows Live Messenger's whiteboard and application sharing features. Utilizing the T.120 protocol, it facilitated real-time collaboration, desktop sharing, and whiteboard sessions during instant messaging conversations, enabling users to work interactively across different network types.

A-Talk Remote Server

Port 5107 is commonly associated with A-Talk's remote server connection feature. It facilitates communication between remote A-Talk clients and servers, enabling chat, messaging, and connectivity management. The port is primarily TCP-based and typically used in setups requiring remote administration or communication relay, with limited encryption support by default.

AVM CAPI-over-TCP

AVM CAPI-over-TCP enables ISDN signaling data to be transmitted over Ethernet networks, effectively encapsulating ISDN protocols within TCP/IP for remote access or integration. This facilitates the bridging of traditional ISDN communication with modern IP infrastructure, often serving AVM's Fritz!Box devices and similar hardware.

TeamSpeak 3 Voice

Port 9987 is primarily used as the default UDP port for TeamSpeak 3 servers, facilitating low-latency real-time voice communication for gaming and online communities. Voice packets transmitted over this port allow users to communicate clearly and efficiently during collaborative activities such as multiplayer gaming sessions, streaming coordination, and virtual conferencing.

XMPP Client Connection

XMPP, or Extensible Messaging and Presence Protocol, is a widely-used open protocol supporting real-time messaging, presence information, and communication between clients and servers. Port 5222 is the default TCP port for client-to-server communications as defined in RFC 3920, facilitating instant messaging, presence updates, and basic signaling for chat services. This protocol underpins many well-known chat platforms and federated messaging systems.

XMPP File Transfers

Port 8010 is commonly utilized for file transfer services within the XMPP protocol ecosystem. It facilitates the exchange of different types of files between users over an XMPP-based chat service, which requires dedicated ports outside standard messaging. Although not an officially assigned port, 8010 is widely adopted in XMPP server implementations and client applications that extend communication with file sharing capabilities.

Miralix IVR & Voicemail

Port 3017 is primarily associated with Miralix Interactive Voice Response (IVR) and Voicemail services, facilitating voice message handling, automated call routing, and integration with telephony systems to enhance communication workflows within organizations.

SIP

Session Initiation Protocol (SIP) is a widely used signaling protocol that enables the initiation, management, and termination of real-time communication sessions such as voice, video, and messaging over IP networks. It plays a critical role in the operation of Voice over IP (VoIP) services, allowing different devices and applications to establish connections seamlessly.

A-Talk

Port 5106 is commonly associated with A-Talk, a communication or messaging protocol/application. It is primarily used to facilitate messaging, signaling, or control data exchange between clients and servers within the A-Talk ecosystem. Typically leveraging TCP connectivity, this port ensures reliable data transmission required for messaging synchronization and real-time exchanges within the application environment.

Xbox Live / Games for Windows

Port 3074 is primarily used by Xbox Live and Games for Windows - LIVE services to manage multiplayer gaming sessions, matchmaking, communication, and related online interactions. The port supports both TCP and UDP protocols, essential for stable connectivity and real-time data transfer crucial for online gaming experiences, including voice chat and friend management.

CUCM Intercluster

Port 8002 is used by Cisco Unified Communications Manager (CUCM) for intercluster communication, facilitating seamless voice and call control information exchange between different CUCM clusters deployed within an organization.

IRC

Internet Relay Chat (IRC) is a pioneering real-time text messaging protocol designed for group and private communication across the internet. Primarily used for group chat rooms, private messaging, and file sharing, IRC has shaped the foundation of online communication platforms since its inception in the late 1980s.

RTP Control Protocol

RTP (Real-time Transport Protocol) control protocol, standardized in RFC 3551 and RFC 4571, enables delivery and management of real-time audio and video streams across IP networks. It is widely used in applications requiring rapid, synchronized delivery of media data such as VoIP, video conferencing, and streaming media platforms.

Club Penguin

Port 3724 was primarily associated with the popular online multiplayer game Club Penguin by Disney, designed as a safe and engaging virtual world for kids. This port facilitated client-server communication to handle player interactions, game updates, account management, and various multimedia features within the game environment. While the original Club Penguin has been discontinued, this port was widely used during its active years for real-time gameplay and content delivery.

Miralix OM

Port 3007 is primarily utilized by the Miralix OM Server, a platform designed to facilitate omni-channel communication management, typically in contact center environments. The server provides integration points for telephony, messaging, and management systems, enabling seamless workflow and communication routing within enterprise setups.

IRC

_Internet Relay Chat (IRC)_ is a long-standing protocol for real-time text messaging and group communication via chat channels, widely used since the late 1980s. Port 6660 is among several ports traditionally employed by IRC servers to facilitate these communications. Despite newer chat platforms, many hobbyists and large communities still rely on IRC for its simplicity and reliability.

Miralix CSTA

Miralix CSTA is a port used primarily by Miralix solutions implementing the Computer Supported Telecommunications Application (CSTA) standard, which enables computer-telephony integration. It facilitates call control and telephony event monitoring between telephony hardware and software applications, commonly within call centers or unified communication environments.

Mail.Ru Agent

Mail.Ru Agent uses port 2041 for communication between clients and Mail.Ru servers. It enables instant messaging, file sharing, and voice/chat capabilities over the Mail.Ru platform. Typically, this port facilitates proprietary protocols for real-time data exchange among Mail.Ru users.

NNTP

Network News Transfer Protocol (NNTP) facilitates the distribution, retrieval, and posting of Usenet articles, which function similarly to online forum messages across a distributed network of news servers. Primarily designed for reading and managing discussion groups, NNTP streamlines communication by enabling fast article transfers, centralized indexing, and efficient management of a vast amount of newsgroup content.

AOL IM and IRC

Port 531 is primarily recognized for its association with legacy instant messaging services like AOL Instant Messenger (AIM) and the Internet Relay Chat (IRC) protocol. It facilitated real-time text communication between users over the internet, supporting both direct peer-to-peer messaging and participation in chat rooms. Being unofficial, the use of this port has diminished over the years; nevertheless, understanding its role helps in managing older systems or potential residual network traffic.

Softros LAN Messenger

Softros LAN Messenger is a secure instant messaging solution designed for internal communication within corporate local area networks. It allows team members to communicate efficiently without reliance on external servers or internet connections, providing a straightforward messaging interface suitable for workplace use.

XMPP Link-Local / Serverless Messaging

Port 5298 is primarily used for the Extensible Messaging and Presence Protocol (XMPP) implementations targeting link-local communications as defined in JEP-0174 or XEP-0174. This enables peer-to-peer instant messaging without the need for a central server on a local network segment, ideal for ad-hoc and zero-configuration communication scenarios.

MXit Messenger

MXit is a mobile-focused instant messaging application that originated in South Africa. It enables users to send and receive text messages, multimedia, and participate in chat rooms. Port 9119 is primarily used by the MXit client to establish and maintain communication with the MXit messaging servers over both TCP and UDP protocols.

Zephyr Notification Service

Port 2102 is primarily used by the Project Athena Zephyr Notification Service server, which provides a framework for real-time notifications and instant messaging within networked computing environments. It facilitates timely communication and collaboration among users, often within academic or research settings, by delivering alert-style messages quickly across distributed systems.

Battle.net Gaming

Port 3723 is widely used by many Blizzard Entertainment games through their Battle.net service, including iconic titles such as Diablo II, Warcraft II, Warcraft III, and StarCraft. The port facilitates game server communication, matchmaking, lobby coordination, and real-time multiplayer data exchange, supporting both TCP and UDP traffic to ensure smooth gameplay across different network conditions.

H.323 RAS

Port 1719 is primarily associated with the H.323 Registration, Admission, and Status (RAS) protocol, which is a core component of multimedia communication and conferencing systems. It facilitates the registration of endpoints with gatekeepers and manages call admission control and endpoint status messaging. Primarily relying on UDP transport, this port enables the negotiation and control channels necessary for VoIP calls, video conferencing, and other real-time communication services based on H.323 standards.

Conference Call Signaling

UDP port 1167 is commonly associated with signaling traffic for telephony and conference calling solutions, particularly legacy or specialized systems. It enables the setup, management, and teardown of audio conference sessions across IP networks. The use of UDP facilitates low-latency communication ideal for real-time voice traffic, though it can introduce challenges related to reliability and security. This port is often utilized in enterprise conferencing setups or hardware appliances supporting VoIP-based conference call features.

Cisco SCCP

The Cisco Skinny Client Control Protocol (SCCP), commonly referred to as Skinny, is a proprietary lightweight protocol developed by Cisco for use in their IP telephony solutions. It operates over TCP and UDP port 2000 to manage signaling between Cisco IP Phones and Cisco Unified Communications servers. SCCP facilitates call setup, teardown, feature negotiation, and device control within Cisco's VoIP ecosystem.

Club Penguin Server

Port 6112 is commonly associated with the online multiplayer game Club Penguin, a Disney-branded virtual world for kids that was active from 2005 to 2017. It facilitated player connections, allowing children to interact in a safe virtual environment, engage in mini-games, and participate in various in-world activities. The port primarily supported the game's client-server architecture to enable seamless gameplay and chat communication.

sMessenger Service

Port 2500 is officially assigned for THE sMessenger service, which facilitates communication between sMessenger clients and its server component. It is primarily a TCP-based port used to support messaging services, maintaining persistent connections for message delivery and management.

Yahoo Messenger

Yahoo Messenger is an instant messaging service developed by Yahoo, allowing users to send text messages, exchange files, and engage in voice and video communication. It operated primarily over TCP port 5050, enabling millions worldwide to connect in real-time online chats and group conversations. Despite its eventual discontinuation, Yahoo Messenger was vital in shaping early online communication platforms.

The Palace Chat

The Palace is a virtual reality chat environment that was popular in the late 1990s and early 2000s, offering graphical chat rooms and customizable avatars to foster online social interaction. It allows users to communicate in graphical chat spaces hosted on Palace servers, typically accessed via port 9996.

Skype Protocol

Skype primarily uses port 23399 for its peer-to-peer communications, enabling voice, video, and instant messaging. This port facilitates the connection through Skype's custom protocol, allowing users worldwide to communicate seamlessly across various network configurations.

Miralix InfoLink

Miralix InfoLink is a communication service port primarily used by Miralix's contact center solutions. It facilitates real-time information exchange between Miralix clients and servers within enterprise telephony environments, supporting advanced call management and integration features. This port enables seamless connection for call control, presence, and messaging services within business communication infrastructures.

IBM Sametime P2P

IBM Sametime Peer-to-Peer (P2P) file transfer typically utilizes port 5656 to facilitate direct exchange of files between clients within a corporate environment. This port supports real-time collaboration by allowing users to quickly share documents or data without routing through a central server, enhancing workflow efficiency.

ICQ & AIM

Port 5190 is widely recognized as the default communication port for ICQ and AOL Instant Messenger (AIM), which were among the earliest widely adopted instant messaging platforms. These services enabled real-time communication over the Internet using proprietary protocols that primarily operated over TCP. This port facilitated user sign-in, status updates, message exchanges, and file transfers between IM clients.

Hotline Tracker Server

Port 5498 is primarily associated with Hotline Tracker servers, which were used during the late 1990s and early 2000s to help clients locate Hotline servers hosting chat rooms, forums, and file sharing. The port facilitates server registration and discovery, enabling clients to browse available Hotline servers across the network.

Ident

Ident, operating on port 113, is a protocol primarily used by Internet Relay Chat (IRC) servers to obtain the identity of a client attempting to connect. It provides simple identification by querying the connecting user’s ident daemon, which reports the username associated with a TCP connection. Although its use has declined due to security concerns and shifts to newer authentication methods, ident remains noteworthy historically in facilitating user management and access control in IRC networks.

Miralix TimeOut

Miralix TimeOut is a proprietary communication service component commonly used in telephony systems to manage call timeouts and session state within the broader Miralix Contact Center suite. It facilitates session expiration handling, improving call routing efficiency, resource management, and the overall responsiveness of communication systems.

Megaco H.248

Megaco H.248, also known as H.248 or Megaco Text, is a protocol that manages multimedia communication sessions between media gateways and media gateway controllers within next-generation networks, often used in Voice over IP (VoIP) architectures. It enables signaling and control functions essential for voice, video, and data transfer across various communication networks.

Megaco H.248

Megaco H.248 over port 2945 uses ASN.1 binary encoding to facilitate signaling commands for multimedia gateway control. It enables communication between call control elements and media gateways, supporting various media types within large VoIP and multimedia networks. It plays a vital role in managing complex media streaming and telephony services across distributed networks.

Endless Online Server Port

Port 8078 is commonly used as the default communication channel for private servers running the classic MMORPG Endless Online. Both TCP and UDP are utilized for client-server interactions, including player login, real-time gameplay events, data synchronization, and chat functionalities. Despite not being an officially assigned port, it has become the standard de facto option used by community servers hosting this retro game.

IAX2

The Inter-Asterisk eXchange protocol version 2 (IAX2) is a VoIP protocol used primarily to enable communication between Asterisk PBX systems. It simplifies the transmission of voice and signaling information by combining both into a single data stream, enhancing NAT traversal and bandwidth efficiency. Widely deployed for trunking between PBXs and voice gateways, IAX2 optimizes voice quality over varying network conditions and minimizes overhead compared to other VoIP protocols like SIP.

Second Life Viewer

This port is primarily used by the Second Life Viewer software to communicate with simulation servers (sims) within the Second Life virtual world. It supports user interactions, object rendering, and real-time environmental updates through UDP-based data channels, providing a highly interactive and immersive online experience.

Cisco MGCP

**Cisco MGCP (Media Gateway Control Protocol)** is a protocol developed primarily by Cisco to control media gateways within Voice over IP (VoIP) infrastructures. It enables centralized management of signaling and call control for effective delivery of voice communications across IP networks.

Cisco Unified Video Advantage

Cisco Unified Video Advantage is a Cisco-designed communication solution that integrates video into Cisco IP Phones, enhancing unified communications deployments. It primarily facilitates video conferencing and collaboration over enterprise networks by managing video streams across various endpoints. The service typically uses UDP on port 5445 to enable efficient, real-time media transfer with minimal latency and overhead.

ArmA Multiplayer Voice Chat

This port is primarily used by the military simulation game ArmA for in-game Voice over Network (VoN) communications, typically serving as a supplementary port offset from the main game server port. It facilitates synchronized voice communication between players during multiplayer sessions, enhancing tactical gameplay.

TinyMUD

Port 4201 is primarily associated with TinyMUD and its numerous derivatives, which are multiplayer text-based virtual environments. These Multi-User Dungeons enable players to create and explore interactive worlds solely through textual commands and storytelling. The port serves as the communication endpoint for client-to-server interactions in these MUD systems.

Gadu-Gadu C2C

Port 1550 is used for Gadu-Gadu's direct client-to-client (C2C) connections, facilitating peer-to-peer communication within this popular Polish instant messaging service. This port assists clients in bypassing centralized servers to establish direct connections for file transfers or conversations.

Xfire

**Xfire** was an instant messaging client for gamers, combining gaming-oriented chat functionality with tools for in-game messaging, server browsing, and social features. This port (25999) was notably used by Xfire’s services to manage peer-to-peer communications, facilitate matchmaking, and enable real-time chatting while gaming.

Ginever.net Data Port

Port 5315 is primarily used by Ginever.net, an online platform known for supporting multiplayer gaming infrastructure and services. It facilitates essential data communications, including in-game messaging and session management, and may handle game synchronization across multiple clients. The port operates over both TCP and UDP, enabling reliable data transmission as well as efficient real-time updates when necessary.

Ginever.net Communication

Port 5313 is used primarily by Ginever.net to facilitate real-time data communication between servers and client applications, such as multiplayer gaming services, chat functions, or data synchronization. Its versatile support for TCP and UDP allows it to balance reliability with speed in data transfer, making it suitable for interactive network services within the Ginever.net ecosystem.

Club Penguin

Port 9875 is associated with Club Penguin, a Disney online multiplayer game aimed at children. It facilitates the game's network communications such as messaging, world state synchronization, and gameplay interactivity, enabling players to connect to and interact within the virtual world.

Valve Steam

Valve Steam Client uses port 1725 to facilitate communication for various gaming-related functions including server discovery, matchmaking, downloads, and updates. Primarily leveraging UDP, this port helps support low-latency, real-time data exchanges to ensure smooth gameplay and fast connectivity between Steam clients and game servers.

Gadu-Gadu Messenger

Gadu-Gadu is a popular Polish instant messaging platform that enables users to communicate in real-time, send multimedia files, and participate in group chats. It leverages a proprietary protocol, primarily over TCP, serving millions of users primarily within Poland and Polish-speaking communities abroad. The service offers a combination of text, voice, and media sharing functionalities similar to other instant messaging platforms.

Ginever.net Data Port

Port 5312 is primarily used by Ginever.net's services for data communication between clients and their gaming and chat platform servers. It facilitates the transfer of gameplay data, messaging, and coordination traffic necessary to maintain interactive, networked experiences.

Ginever.net Data Comm

Port 5310 is primarily associated with the Ginever.net platform, serving as a versatile data communication port utilized for multiplayer gaming, chat services, and other synchronous interactions over the network. It supports both TCP and UDP transport protocols, enabling flexibility in communication styles, including reliable data transfer and low-latency message delivery. This port is unofficial and mainly used within the ecosystem of Ginever.net clients and servers.

STUN

Session Traversal Utilities for NAT (STUN) is a protocol that enables applications to discover their public IP address and the presence and type of network address translator (NAT) they are behind. This facilitates communication between devices located behind different NAT devices, which is crucial for peer-to-peer applications like voice and video chat.

Vertel VMF SA

Vertel VMF SA is a communication protocol used primarily in the Vertel Voice Messaging Framework and applications like SpeakFreely. It facilitates the transfer of real-time voice or messaging data over IP networks, supporting both TCP and UDP communication. This port enables seamless voice chat or data exchange, often utilized in communication-focused software solutions.

Nintendo Wi-Fi

Nintendo's Wi-Fi Connection (NWC) was an online multiplayer gaming service for the Nintendo DS and Wii consoles. It allowed users to connect globally for gameplay, matchmaking, and content downloads, bridging Nintendo devices to the internet securely and efficiently. Despite its discontinuation, associated ports like 29900 are still relevant for emulator support and private server operations.

Club Penguin

Port 6113 is famously associated with Club Penguin, Disney's browser-based multiplayer online game targeted at children. The port supported game traffic, enabling players to connect within safe, virtual world environments full of social and mini-game experiences.

Cisco Audio Tunneling

Cisco Audio Session Tunneling is an unofficial protocol used primarily within Cisco collaboration environments to encapsulate audio streams between devices. It facilitates seamless, near real-time voice communication, often as part of proprietary Cisco infrastructures. This port is typically used internally and rarely exposed openly on the internet.

Kaillera Server

Kaillera Server is primarily used to enable online multiplayer functionality within emulators for classic arcade and console games. It utilizes UDP communication to facilitate real-time data exchange between connected players and a central host server. Although unofficial, it remains popular in retro gaming communities to simulate near LAN-like conditions over the internet.

Hotline Tracker Discovery

**Hotline Tracker Discovery** is a service used primarily for finding available Hotline servers, popular in late 1990s and early 2000s for community chat, file sharing, and messaging. The protocol allows Hotline clients to locate tracker servers that maintain listings of available Hotline community servers.

X-BEAT

X-BEAT is an unofficial port primarily associated with gaming and chat services, enabling real-time communication features such as voice and messaging within multiplayer games or social applications. It supports both TCP and UDP protocols, providing flexibility for various types of data transmission, including low-latency interactions. Its popularity comes from its usage in proprietary ecosystems, particularly in online gaming communities.

Windows Live Messenger Voice

Port 6901 was commonly used by Windows Live Messenger for its voice chat functionality, enabling users to engage in real-time audio conversations alongside instant messaging. This port facilitated media streaming required for voice communication, relying on both TCP and UDP protocols for establishing connections and managing data transfer. Although the service is largely obsolete today, the port still highlights legacy voice-over-IP communication support within consumer instant messaging clients.

TetriNET IRC Gateway

Port 31456 is commonly associated with TetriNET servers that facilitate gameplay through an IRC-based gateway, enabling multiplayer Tetris games over the Internet. TetriNET utilizes a modified IRC protocol to connect players, support chat functions, and manage multiplayer interactions. This port is used mainly by unofficial servers or custom gaming setups.

Windows Live Messenger File Transfer

Port 6891 is traditionally used by Windows Live Messenger to manage peer-to-peer file transfers. It facilitates the initiation and transfer of files between clients by creating direct connections, bypassing centralized servers. Both TCP and UDP protocols enable flexible data transfer, supporting reliable delivery and real-time connectivity during file sharing sessions.

TeamSpeak

TeamSpeak is a popular proprietary Voice over IP (VoIP) software that enables users to communicate via voice, primarily catering to the online gaming community. Utilizing UDP port 8767 by default, it delivers low-latency and real-time voice communication, supporting private servers and various client platforms.

TeamSpeak Alt

TeamSpeak is a popular VoIP (Voice over IP) application primarily used by gamers and online communities for high-quality, low-latency voice communication. Port 8768 serves as an alternate UDP port for TeamSpeak server connections, offering flexibility when the primary ports are unavailable or blocked.

NTalk

NTalk is a communication protocol used primarily for sending and receiving simple text messages interactively over Unix-based systems. Operating over UDP, it enables real-time chatting functionality across networked systems, serving as an early example of networked instant messaging. Despite its historical significance, NTalk is largely obsolete today, superseded by more sophisticated and secure messaging platforms.

Knuddels Chat

**Knuddels.de** is a German social messaging platform that functions primarily as an online chatroom service. Port **2710** is associated with facilitating client connections to the Knuddels chat servers, enabling real-time communication between users across various chat rooms and private messaging services.

Talk Daemon

Port 517 is assigned for the Talk service, an early Unix-based text communication protocol. It enabled real-time messaging between users on different systems using a split-screen interface, facilitating interactive conversations before the advent of modern instant messaging platforms.

Citadel Groupware

Port 504 is primarily used by Citadel groupware, a collaborative client-server platform offering email, calendar, contacts, bulletin boards, and more. This port facilitates dedicated Citadel protocol communications between specialized clients and the Citadel server, enabling multiservice access within the unified groupware environment. Both TCP and UDP are supported for flexible and reliable data transfer, underpinning internal messaging, directory access, and real-time collaboration functions.

NetIQ VoIP Assessor

**NetIQ VoIP Assessor** is a specialized tool designed to evaluate and monitor VoIP network performance. It helps organizations ensure voice services maintain optimal quality and identify any bottlenecks or issues impacting call quality or connectivity.

DukesterX

DukesterX is a decentralized, peer-to-peer chat and file sharing platform. It focuses on facilitating private communication and collaboration by directly connecting clients without centralized servers. Typically running on port 8501, DukesterX clients establish TCP connections to exchange data and messages in a secure, decentralized network.

Ventrilo

Ventrilo is a popular Voice over IP (VoIP) communication software primarily used by gamers to facilitate real-time audio chat. It offers reliable, low-latency voice transmission, supporting multiple users simultaneously in configurable channels. Its simplicity and efficient bandwidth usage have made it a preferred choice for online multiplayer gaming communities.

Secure Internet Live Conferencing (SILC)

**SILC (Secure Internet Live Conferencing)** is a secure conferencing protocol designed to provide private, encrypted real-time collaboration and communication over the Internet. It supports group chats, messaging, and data exchanges with strong security features, aiming to address the privacy concerns found in traditional chat protocols.

Ventrilo Voice Chat

Port 3785 is primarily used by Ventrilo, a popular Voice over IP (VoIP) client that facilitates group voice communications, often leveraged by gamers and online communities for real-time audio chat during gameplay and collaboration.

netpd.org

netpd.org is a collaborative platform primarily used for real-time networked music performance. Operating on TCP port 3025, it facilitates musicians playing together across the internet within a shared musical environment. The service enables transmission of MIDI data, control signals, and session information, making remote collaboration seamless and interactive.

WinMX P2P Chat

Port 6257 is associated with WinMX, a popular peer-to-peer (P2P) file sharing and chat application primarily used on Windows systems in the early 2000s. This port facilitates chat services within the WinMX network, supporting user conversations and coordination across the decentralized system.

LysKOM

LysKOM Protocol A facilitates communication in an asynchronous, conferencing-style environment, akin to a fusion of mailing list and forum infrastructures. Designed primarily by Linköping University, it allows multiple users to interact, exchange messages, share documents, and participate in threaded discussions over the network.

shroudBNC

shroudBNC is a popular IRC bouncer allowing users to maintain persistent connections to IRC networks even while disconnected, offering session management, privacy, and convenience for IRC users across various clients.