Sip
ZoIPer (formerly known as Idefisk) is a SIP and IAX/IAX2 software phone, compatible with the Asterisk/CallWeaver platform and adaptive to any IP telephony system. It offers a great variety of features to cover all aspects that VoIP provides. Its great simplicity with enhanced interface brings a...
Platforms: Mac
License: Freeware | Size: 8.1 MB | Download (84): ZoIPer Download |
The refreshingly simple color picker for developers that instantly samples and encodes any color on your screen. Just one quick click to savor the flavor and you're set! See what’s on special with Sip below.
Color coding goes down easy with Sip
Platforms: Mac
License: Freeware | Size: 307.2 KB | Download (46): Sip Download |
Kamailio (former OpenSER) is an Open Source SIP Server released under GPL, able to handle thousands of call setups per second. Among features: asynchronous TCP, UDP and SCTP, secure communication via TLS for VoIP (voice, video), SIMPLE instant messaging and presence, ENUM, least cost routing,...
Platforms: *nix
License: Freeware | Size: 6.89 MB | Download (41): Kamailio Download |
GNU Free Call is a new project to develop and deploy secure self-organized communication services worldwide for private use and for public administration. We use the open standard SIP protocol and GNU SIP Witch to create secured peer-to-peer mesh calling networks, and we welcome all participation...
Platforms: *nix
License: Freeware | Size: 481.28 KB | Download (36): GNU SIP Witch for Linux Download |
(1) PXO is the perfect softphone for RTC (2) PXO is very flexible with hundreds of configurable features (3) PXO is ideal for SIP and RTP feature testing (4) PXO supports over 25 speech and audio codecs (G.711, MuLaw, G.711, ALaw, G.726, G.723.1, G.729A, GSM6.10, AMR, G.728, G.722, iLBC, Speex,...
Platforms: Windows, Windows 7, Windows Server, Other
License: Freeware | Size: 49.3 MB | Download (24): PXO Download |
Enable your employees call each other for free with OfficeSIP Server.
Multi-office and trans-national corporations pay thousands of dollars for long-distance calls every month even after considerate savings made possible with IP telephony. Voice over IP is great for saving money on...
Platforms: Windows
License: Freeware | Size: 533.16 KB | Download (237): OfficeSIP Server Download |
Monitoring The Web is a simple, effective and useful web based service that allows to monitor accessibility and functioning of internet resources like Web sites, VoIP and FTP servers.
By using diagnostic requests via the protocols HTTP, FTP, PING, and SIP, this utility continuously monitors...
Platforms: Windows, *nix, Windows CE
License: Freeware | Size: 614.55 KB | Download (210): Monitoring The Web Download |
Vphonet lets you make FREE calls over a broadband connection to other Vphonet users all the time. There is no commitments, no credit card needed, and no need to pay for anything unless you decide to upgrade to Plan, or order one of services. Vphonet is a Free Internet Phone. Enables also video...
Platforms: Windows, Windows Vista
License: Freeware | Size: 2.32 MB | Download (224): Vphonet Download |
COLLANOS PHONE
Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages, including transparently to existing Jabber, MSN,...
Platforms: Mac
License: Freeware | Size: 17.01 MB | Download (169): Collanos Phone Download |
Adore SIP Softphone comes with an intuitive Graphical User Interface and can be easily customized. It's designed with SIP technology that can be used to make outbound phone calls from PC to any telephone. Since sip softphone uses Microsoft's g723.1 codec, it can be used in all versions...
Platforms: Windows
License: Freeware | Size: 390 KB | Download (325): Adore Softphone Download |
Evolve your communications with 3CX Phone System for Windows - an office phone system/IP PBX that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX Phone System can reduce call costs substantially by using a VOIP...
Platforms: Windows
License: Freeware | Size: 20 MB | Download (136): 3CX Phone System Download |
PhonerLite is a clearly arranged and easy to use application for Windows. PhonerLite enables your PC to use it for internet telephony (VoIP, Voice over IP). Pre-conditions are a full-duplex sound card, a microphone and speakers (alternatively a headset), an internet connection and a registration...
Platforms: Windows
License: Freeware | Size: 2.85 MB | Download (246): PhonerLite Download |
TekSIP is a SIP Registrar-type proxy without status, designed specifically for Windows systems. For each SIP point, TekSIP tells you its corresponding IP address, the port, the date and time.TekSIP is a completely free tool that only needs half a megabyte of space. It works with both Windows XP...
Platforms: Windows
License: Freeware | Size: 3 KB | Download (469): TekSIP Download |
OfficeSIP Messenger provides enterprises with advanced instant communications for free. Compatible with Office Communications Server 2007, OfficeSIP Messenger delivers reliable performance combined with trouble-free deployment and management. Supporting text, voice and video chats, the free...
Platforms: Windows
License: Freeware | Size: 4.06 MB | Download (953): OfficeSIP Messenger Download |
SipExchange is an open-source softswitch that provides standard SIP services like registration, presence and proxy. Using the SipExchange application, service providers can offer telephone services to their subscribers as well as other services based on voice, video and instant messaging....
Platforms: *nix
License: Freeware | Size: 11.2 MB | Download (92): SipExchange Download |
pcapsipdump is libpcap-based SIP sniffer with per-call sorting capabilities. It writes SIP/RTP sessions to disk in a same format, as "tcpdump -w", but one file per SIP session (even if there is thousands of concurrent SIP sessions).
Platforms: *nix
License: Freeware | Size: 20.48 KB | Download (95): pcapsipdump Download |
SipUnit provides a test environment geared toward unit testing SIP applications. SipUnit project extends the JUnit test framework to incorporate SIP-specific assertions, and it provides a high-level API for performing the SIP operations needed to interact with or invoke a test target. A test...
Platforms: *nix
License: Freeware | Size: 5.6 MB | Download (90): SipUnit Download |
PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack written in C language. It has many SIP and media features such as a layered API, dialog usages, high level invite session abstraction, an event framework, SIP presence/SIMPLE, instant messaging,...
Platforms: *nix
License: Freeware | Size: 348.16 KB | Download (131): PJSIP and PJMEDIA Download |
Oreka is a modular and cross-platform system for recording and retrieval of audio streams. Oreka project currently supports VoIP SIP and sound device based capture. Recordings metadata can be stored in any mainstream database. Retrieval of captured sessions is web based..
Platforms: *nix
License: Freeware | Size: 204.8 KB | Download (104): Oreka Download |
astGUIclient is a GUI client application for the Asterisk open-source PBX. This is a suite of programs that are designed to interact with the Asterisk Open-Source PBX Phone system at a client computer level to extend the functionality of your phone and system. The suite of software is...
Platforms: *nix
License: Freeware | Size: 2.3 MB | Download (128): astGUIclient Download |