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Softphones

NameVendorsiph323mgcpCommentsUpdate
Request
3CX VOIP Phone for Windows  3CX     Free VOIP / SIP phone for Windows. Works with any SIP provider. Available in english, german, spanish, french and portuguese 
AdoreSoftphone  AdoreInfotech     Private label,customizable sip dialer based on SIP technology, NAT modules with G.729, G.723 and G.711 codec. Works in Win2003/2000/NT/XP/98/ME. Available in Portuguese, Japanese,Spanish and English.  
SIPPS  Ahead Software AG     SIPPS is an easy to use software product that turns your PC into a multifunctional communications system. With SIPPS, you can place calls over the Internet and your LAN in excellent sound quality. 
Intellivic  ANDROME     High quality and full functionality SIP based video telephony client. Built using open standards to ensure maximum interoperability. Available as softphone and smartphone, conference server and SDK. 
SIP Phone  Avaz Networks     AVAZ SIP Phone is a SIP User Agent that can be used to place voice calls over the internet. It is based on AVAZ VoIP Software Architecture and has a nice user friendly GUI that makes it robust and easy to use. 
sipc  Columbia University     SIP UAC; see SipCom (http://www.sipcomm.com) for licensing. 
Comisdn SIP Communication Server  Comisdn     SIP-TAPI/CAPI and H.323-TAPI/CAPI Media processing Software including Telephony Service Provider, Wave Driver and Fax Service Provider for telephony applications (IVR, UMS, Contact Center Solutions) 
Encounta ZippyCALL Softphone  Encounta     Windows 98SE and above Pentium Processor 12MB of hard drive space 32MB of RAM An available USB port (if using Zippy-Zip or Zippyfone)  
eStara SoftPHONE  eStara     Brandable, Customizable SIP software client. SIP debugging support. Multi-line, Hold, Transfer, Caller ID, Registration, inbound-outbound. Supports termination via your SIP infrastructor or eStara\'s Cisco powered SIP network: http://www.estara.com/sipproxy/ 
Eyeball Messenger  Eyeball Networks Inc     Eyeball Messenger is a standards based soft client that is SIP & XMPP compliant, providing full featured VoIP, video telephony, presence and instant messaging. IM with Yahoo, AOL, MSN & Google 
EyeP Phone  EyeP Media SA     SDK and softphone application, NAT transparent, support of all codecs, support of all sound cards and USB peripherals, call transfer, conference call, recorder, ...  
Mint  Fokus      
freenet iPhone 1.3  freenet.de iPhone     iPhone is an easy to use software that turns your PC into a multifunctional communications system. You can make calls to other iPhone Users and to conventional telephone networks 
Phoner  Heiko Sommerfeldt     Phoner supports ISDN and VoIP telephony. The voice codecs G.711, GSM, iLBC, G.726 and Speex are supported. 
PhonerLite  Heiko Sommerfeldt     Easy to use VoIP softphone with profile and contact management. 
EZ-Phone  Hughes     adds Hughes SIP stack to SpeakFreely 
Audiphone  Icecom     Easy to use office phone with a USB handset. 
Icecom WebClient  Icecom Ltd.     The Icecom WebClient is a SIP-based communication portal for voice, video and data exchange, IM and conference services. 
Icecom Multimedia PBX  Icecom Ltd.     The Icecom Multimedia PBX is a SIP-based, full featured corporate switch with additional new convergence services. 
8601  InterTel     PDA softphone 
VIC/IPAQ  Lawrence Berkeley National Laboratory     video on Linux IPAQ 
M2 Softphone  megapin     The M2-UA(M2), a SIP Softphone, text messaging feature with SIMPLE, easy to install, detects firewall type using STUN. Skinnable interface(GUI) with XML, working example using SER at myeztalk.com 
Twinkle  Michel de Boer     Twinkle is a SIP softphone for Linux 
SIP Softphone  Microappliances Inc.     Provides web based SIP telephony functions within the browser. The client supports call hold, reinvites and session timer.  
Windows Messenger  Microsoft     Windows XP UA with instant messaging support. 
Exchange 2000 Instant Messaging Service (MSN Messenger 4.6)  Microsoft     An enterprise version of MSN Messenger that allows logins to SIP and Exchange 2000 servers (in addition to the MSN server).  
Portrait  Microsoft     low-codec video; support for PCs, and pocket/handheld PCs  
SipChat  Mitre     SIMPLE client (GPLed) 
MjUA  mjsip.org     open source cross-platform simple SIP softphone, written in java, based on MjSip stack, freely avalible under GPL license. 
Connect PC  Movial     Proven PC client for VoIP, Video telephony, presence, instant messaging, voice mail, etc. SIP and IMS environments. Converged mobile-PC services such as video sharing, mobile video call. 
Express Talk  NCH Swift Sound     Express Talk is a free SIP softphone for Windows. Fully SIP compliant including multiline support (4 lines), hold facility, DND, call transfer, NAT traversal and multiple codecs. 
nikotel Mac/Win2Phone  nikotel     Mac and PC  
SIP Multimedia PC Client  Nortel Networks     Windows PC-based SIP agent that supports traditional telephony communications while providing additional multimedia communications services such as instant messaging, subscriber provisioned incoming call screening, real-time call disposition, web push, web co-browsing, web conferencing, file sharing, whiteboarding, and video communications. The SIP Multimedia PC Client can also work in conjunction or as a control for the i2004 Internet Telephone. 
SIP Multimedia Web Client  Nortel Networks     This web-based SIP User agent is a thin-client that uses a Web Browser on a PC platform to provide the services provided by the SIP Multimedia PC Client.  
YateClient  Null Team     YateClient is a multiprotocol (H.323,SIP,IAX) VoIP client. It works on Windows and Linux, and is skinable. YateClient is avaible under GPL free license. 
OmniSession  ORGALOGIC     A SIP multimedia client for VoIP, Video telephony, Video Conference, Screen Collaboration, Whiteboarding, with Universal IM Platform, Phonebook with Presence, Secure speech; 15-day trial  
Pingtel Phone  Pingtel     Looks like a very cool SIP phone. Programmable Java interface.  
Siemens SIP Softphone  Siemens      
LinPhone  Simon Morlant     SIP Phone for Linux 
sipXphone  SIPfoundry     The sipXphone project, formerly known as Pingtel\'s instant xpressa softphone, is a fully functional SIP softphone that runs on Microsoft Windows and Linux. 
sipXezPhone  SIPfoundry     sipXezPhone, is written using C++, wxWidgets, and the sipXtapi API. Currently both Windows and Linux platforms are supported with MAC OS X a clear posibility. 
SIPquest Collaboration Agent  SIPquest Inc.     Supports instant messaging, audio and video conferencing, desktop-sharing and Web page pushing; built-in presence; drag-and-drop user actions; buddy list; media mode migration; rebrandable for OEMs 
AdiPhone  SipTelecom     AdiPhone allows you to accept calls from your web site, from prospective customers. During the conversation you can: See and be seen, Talk to each other, Share your desktop with the customer. 
SJphone  SJ Labs     H.323/SIP softphone for MS Windows, Linux, and Mac OS X. Supports G.711, GSM, iLBC audio codecs. Fully interoperable with ITSP and software/hardware manufacturers. Allows for calls to PSTN as well.  
SJphone  SJ Labs     linux version of SJphone 
myJabberAE  SLTS Communications     SIP client With support for Multi-line, Mute, Hold, Transfer, Caller ID, Registration, inbound-outbound proxy, conferencing, Call logging. Integrates with myJabber IM. Custom Branding available.  
IPv6 SIP phone  SoftFront     IPv6 support claimed 
iFon  TABLETmedia, Inc.     TABLETmedia iFon is the most advanced multi-protocol H.323/SIP softphone for VoIP, videoconferencing and messaging on mobile devices. Supports G.711, G.723.1, G.729A, GSM, H.261, H.263, AEC, etc. 
Teligent SopftPhone  Teligent     The Teligent SoftPhone is a user-friendly but powerful tool that allows users to turn their personal computer into complete multimedia/telecom centre. 
tkcPhone  theKompany.com     IM, STUN 
Helmsman SIP Deskop Agent  Ubiquity     This C++ software provides users\' desktops with real-time multimedia capabilities. The SIP Desktop Agent consists of a comprehensive call control environment supporting IM, presence management, media rendering and seamless integration with other desktop applications (Outlook, Internet Explorer and Netscape). 
Sip Center UA  Ubiquity      
Smart Dialer  Unicorn Software and Solutions     Smart Dialer is a commercial SIP & H.323 supported softphone. Works with major gateway and gatekeepers and has built in NAT support. G723.1 and G729 codecs are supported. Customized skin is available. 
SIP Server  V59.Net     V59.NeT, has the difficult task in the global market to reconcile communication quality without leaving aside one single moment: RELIABLE services and LOW COST. 
vPhone  VirtualiPhone     vPhone lets you see, hear, send files, SMS, MMS and chat with anyone, anywhere in the world - all for FREE. vPhone allows to place high- quality videoconferences and call PC to Phone. 
wengophone  Wengo     Open Source SIP softphone supporting Audio/Video and Instant messaging using G711,SPEEX,ILBC,GSM  
KPhone  Wirlab     SIP UA for Linux 
eyeBeam, X-PRO and X-Lite SIP User Agents  Xten Networks, Inc.     A premium SIP-based User Agent with all the features and functionality of a small business phone system. Open standards-based design allows for maximum network interoperation. PocketPC Version Also 
LIPZ4  Zultys Technologies     FREE Linux SIP softphone has PBX functions, IM, 100 addresses, call logs, and calculator. Dial by IP address, SIP address, or number. Works end to end or with proxy, application server, or IP-PBX. 

Hardphones

NameVendorsiph323mgcpCommentsUpdate
Request
SIP Etherphone  3com      
SIP Phone  3Com      
DTA 310 Legacy Phone Adapter  8x8     affordeable 
DV325 IP Desktop Videophone  8x8     affordeable 
SI-160  ADTech     smart card reader, encryption and authentification 
HP300 (VoxPhone)  Arrayvox Communications     IP-PBX feature telephone with LCD display and with Multi Protocol Support: 2X 10/100Base-TX port, 2X16 Character LCD Panel, Phone Book, 10 Function 10 Speed Dial  
IP PHONE  ATCOM     IP PHONE made in China 
AP-100  AuPix Ltd     12.1\" touchscreen. Web browser. Java based graphical user interface capable of running 3rd party applets. Intelligent bandwidth control for use over non QoS networks. Handsfree, handset or headset 
Avaya 4602 Phone  Avaya     Supports open standard SIP call control for integration into multi-vendor SIP-based telephony environments.  
HP300, HP400, HP500  BCM     HP500 is wireless 
WLAN660  BCM Communication Co., Ltd.     SIP wireless IP mobile phone, 802.11b, mono-color FSTN display, 1.4”  
IP phone  Beijing iPower Time Information Technologies Co., Ltd     101/102 IP Phone supports standard SIP V2, H.323 V4 , and MGCP features, interacts with standard SIP Proxy and SIP terminal devices, H.323 Gatekeepers,Gateways, MCU, and standard MGCP CA ( Call Agent) 
VideoTel ET 300  Call Image VideoTel     Hardware Ethernet SIP VIDEO Phone, (LAN, cable/DSL modems supported,compatible with non-symetric NATs by using STUN). H.263 Video Codec, G711,GSM,G723 Audio Codecs. RTCP,DTMF(RFC2833),VAD facilities 
Cisco SIP IP Phone 7960  Cisco      
Komodo Fone  Cisco (formerly Komodo)     black-phone-2-Ethernet/analog-line adapter; both H.323 and SIP; currently SIP only for the Ethernet adapter 
http://www.dlink.com/products/voiceservices/dvg1120/  D-Link      
DPH-70  DLink     Modem Phone with support for SIP and H.323 functionality. Supports DTMF (RFC 2833), call hold, Adaptive Jitter Buffer, Silence suppression, VAD, CNG and intellignet selection of codec based on network 
ET3320  Easy System Co., Ltd     Build-in answer machine Build-in soho router Build-in encryption for up to 256 bit AES Low price High performance 
Encounta Zippy-Zip USB to R11 adapter  Encounta     The USB to RJ11 adaptor emulates the phone companies central office switch and provides power (Vbat) to the phone. No external PSU is required as the power is supplied by the USB cable.  
Encounta Zippyfone USB SIP  Encounta     Keypad 4x4, (16 keys) or 4x8 (32 keys) Bell to ring on incoming calls LCD display to show the number dialed etc. EEPROM to hold (for example) a serial number  
FreeBit Business Phone  FreeBit     Fully IPv6 enabled SIP hardphone with IP-PBX terminal capabilities such as call transfer / forwarding / park / pickup, remote update and plus.  
ET-747 IP Phone  GoldenNet Technology Inc     ET-22 IP Phone is a very easy to use IP Phone with very good quality and very good interoperability that were tested under many famous platform ... 
Budget Tone-100  Grandstream     Dirt Cheap: Many CODECs, RFC2833 & STUN, only dials numbers Available at: http://www.sipphone.com/tiki-index.php?page=Order%20Now https://secure.pulver.com/pulverinnovations/order_grandstream.h 
8662  InterTel      
netPhone  INTRACOM     http://www.intracom.gr/pdf/products/term_equip/netphone.pdf The netPhone is an advanced, fully-featured IP phone that makes the most of the VoIP technology, offering users not just the standard IP telephony services but also a multitude of novel features such as intuitive menus and programmable function keys.  
IP Phone 100/200  IP Ware S.l.     IP Ware IP Phone is next generation intelligent communication device, delivering the essential business communications at a touch. High quality, low cost. 
SipToneTM  ipDialog     Siptone features a full duplex speakerphone,a built in web browser for easy configuration, a dual port 10/100 Ethernet bridge and all standard features of a typical proprietary phone. Ease of use and low cost of entry were preserved by design 
USB phone, Broadband phone, FXS/FXO adaptor, gateway, wifi phone  Koncept International Inc.     Koncept terminal products meet the needs of every user from consumer to small and medium size businesses.Our patented bandwidth compensation technology makes the voice quality as good as regular phone 
Planet VIP-153  LusoSis     SIP 2.0 (RFC3261) compliant (802.3af Power over Ethernet PoE on VIP-153PT), 2 x 16 characters LCD, 2 x RJ-45 (PC/WAN), 3 codecs: G.723.1, G.729A/B and G.711; VAD, CNG and Dynamic Jitter Buffer. 
Virtual Presence System  Marconi     conferencing solution with video and presence support 
2102 - 2 analog FXS ports  Mediatrix     The 2102 is a product with 2 analog FXS ports, plus two ethernet ports. The device shares the Internet connection with a computer or router through TAS (Transparent Adress Sharing) (not NAT).  
USB Phone  MimiTel     Support Skype, MSN With keypad and ringer Phone rings for all incoming calls, ring style and volume selectable no driver and sound card required 
IP Phone  MimiTel     IP phone from China.  
5140 IP Appliance  Mitel      
5055 SIP Phone  Mitel Networks     The 5055 is a high quality SIP phone that meets the price/performance needs of business users. Also available is the 5305 desktop conference unit and the 5310 boardroom conference unit. 
Audacity-T2/T2U IP Phones  Netergy Microelectronics     Complete Evaluation and Development Kit 
AudaCity-T2U Wireless  Netergy Microelectronics     WaveLAN 
NICSTEL 2006T & 2006WF  NICs Intec Co. Ltd     NICSTEL 2006WF is SIP base WiFi phone and 2006T is SIP IP phone  
ip 2004  NOrtel     IP 2004 now supports SIP in succession 4.0 
PC Phoneset - H.323/SIP Phone  PCPhoneline.com     H.323/SIP Gateway and Phone In One 
SoundPoint handset range  Polycom      
optiPoint 100 advance  Siemens     User benefits: Proven interoperability, smooth integration with SIP servers, OptiGuide menus for easy operation, scalable manufacturing, global availability, extended warranty.  
optiPoint 400 standard SIP  Siemens     SIP phone with integrated 10/100 Mbit/s mini switch, display and numerous features. 
SIP ATA,IP PHONE ,USB PHONE  SIGA (HONG KONG) CO.,LTD.     SIP ATA is designed with latest SIP technology (SIP 2.0), NAT module(so it can operate easily through NAT and packet firewalls) with g723.1 codec.  
SiPtel L01  SIP Micro      
Snom 100  Snom.de     STUN support. Easy to use with Graphical LCD display and 4 Softkeys. Caller Id, Hold, Divert and Transfer, Call Waiting Indication, Message Waiting Indication, Speed Dial, Phone Book, Call & Deny List, HTTP Server, Echo cancelation. Firmware upgradable over http. 
WP2: 802.11b/g SIP VoIP Phone (clamshell type)  Unex Technology Corp.     Clamshell type with 65k color LCD, 40 polychrome ring tones, 6 system-profile settings, DHCP/Static IP/PPPoE address assignment, WEP/WPA/WPA2, WMM, SMS, Multi-Line-Appearanc, and call forwarding  
LP201, LP302  Welltech     The LP series are the hardphones for the SIP and H323 version. It could support the SER for the registration, basic calls, call transferring and call forwarding. 
SIP WiFi Phone  Wiztel Inc.     2.4 GHz WiFi SIP Phone supports Caller ID, WEP, with the following CODECs: G.711, G.726, G.729a, or G.729b * sample for $150 USD * productions orders begin at $120 USD (scalable) * OEM avail. 
IP Phonw,ATA  Zhengzhou Yuneng Communication Equipment Co.Ltd.      We are a manufacturer of IP PHONE,ATA at china, Our ip phone,ATA --YWH100,YWH10 and YGW10 series are well known for its first-quality,good voice ,high stability ,low cost.  
ZIP 4x4  Zultys     4 call appearances; 4 Ethernet ccts; QoS; 3x20 LCD; full duplex speaker w AEC; 2½ mm headset included; ac + power over Ethernet; encryption; calculator; 35 buttons; 11 LEDs; DHCP, TFTP, NTP, DNS_SRV 
ZIP 4x5  Zultys Technologies     Built in: analog port, VPN, Firewall, NAT, DHCP, TFTP, NTP, Power over Ethernet, Bluetooth, 2.5mm headset jack, encryption, 5-port Ethernet switch, full-duplex speakerphone, intercom, voice dialling. 
ZyXEL Prestige 2000W VoIP Wi-Fi Phonr  Zyxel     sorry - Website is in German Anyway, there is a Quick Start Guide in English available. Wireless Hardphone (110g) supports IEEE 802.11b,QoS,TOS/DiffServ and NAT-Traversal CODECs:G711,G.729a 
ZyXEL P2000W  Zyxel     802.11b Wireless SIP Phone. Great product. See http://www.voip-info.org/tiki-index.php?page=Asterisk+phone+Zyxel+P2000W for important up-to-date information on compatibility. 

Signaling servers

NameVendorsiph323mgcpCommentsUpdate
Request
SIP Express Router   iptel.org     high-performance, flexible SIP server. Linux/Solaris/FreeBSD. SMS, accounting, web provisioning, etc. 
SIP Signaling Server  3Com     UNIX, Sun Solaris 
3CX Phone System for Windows  3CX Ltd.     3CX Phone System for Windows is a SIP based IP PBX/VOIP Phone system. Both commercial and free editions are available. 
WTS Web Telephony Platform  Abbeynet     H323/SIP platform, including Softphone (also web-based), presence server, softPBX, gatekeeper, SNMP monitoring etc. 
MOSAICA  ACTIVE TELECOM     MOSAICA is a scalable carrier-class IP Centrex and convergent applications service platform with virtual PBX, unified messaging, CTI, ACD, IVR, groupware and mobile services for business customers 
The partysip SIP proxy server  Antisip     partysip is a GPL -open source- SIP proxy server. It\'s simple, compliant and easy to install. That makes it suitable for low SIP traffic management. 
AuPix Video PBX  AuPix Ltd     Adds video functionality to features typically associated with voice only PBXs. This can be to an existing VoIP system or to a TDM system without the need to move to VoIP. 
Converged Communication Server  Avaya     CCS connects with Avaya CM 2.0 to support the deployment of SIP telephony. Avaya CM becomes a telephony server that can be accessed not only by an Avaya SIP telephone, but by any SIP-compliant device. 
BaseVoice Vanilla  BaseVoice     BaseVoice Vanilla is a J2EE-based SIP Server that functions as a Proxy, Registrar and Presence Server. Built on top of BaseStack 2.0, an implementation of the JAIN SIP API v1.1. 
BEA WebLogic SIP Server  BEA Systems Inc.     BEA WebLogic SIP Server is an integrated J2EE-SIP application server, providing a service creation and execution environment for converged HTTP-SIP Servlet applications in an IMS network architecture. 
OnDO SIP Server  Brekeke Software, Inc.     OnDO SIP Server is a server based on the SIP protocol which provides proxy, registrar, and NAT services. 
BroadWorks  BroadSoft     BroadWorks is a commercial VoIP platform that functions on a modular/standards-based architecture that uses common protocols, open interfaces, and scalable, industry-standard hardware. 
High Velocity SoftSwitch  CIRPACK     Developed with IBM, the CIRPACK HVS SoftSwitch handles up to 5 millions BHCA and 6000 E1, delivering advanced Class-4 and Class-5 services over any ATM, IP and TDM networks. 
CSPS (Cisco SIP Proxy Server)  Cisco      
sipd  Columbia University     SIP CGI-BIN support; see SipCom (http://www.sipquest.com) for licensing. 
BladeWare Fax Media Server  Commetrex Coporation     BladeWare Fax Media Server is a SIP-based all-software media server that adds T.38 and G.711 pass-through terminating fax to messaging systems via the MSCML and MOML industry-standard protocols. 
Asterisk Open Source PBX  Digium     Asterisk is an Open Source, full featured hybrid TDM and VoIP PBX and IVR platform. It allows you to seamlessly integrate TDM (T1, PRI, FXS, FXO) and VoIP (IAX, SIP, H.323) technologies in a single PBX while providing full IVR functionality through any scripting language available on Linux. 
SIP Proxy Server  dynamicsoft     CPL; Java; see also the the location server 
FacetPhone IP-PBX  FacetCorp VOIP     The FacetPhone server is the heart of the FacetPhone IP-PBX system. The server runs on Linux or UNIX platforms. The server controls media gateways and IP phone endpoints with the MGCP protocol. 
SIP B2BUA Framework  Flextronics Software Systems (Formerly Hughes Software Systems)     The SIP B2BUA provides developers a scalable, reliable, and feature-rich environment for rapid service creation for next generation convergent networks.  
Hotsip® Presence Engine  Hotsip     A presence management server collecting, handling and supplying presence context 
Hotsip® SIP Application Server  Hotsip     A high performance SIP infrastructure for application development  
SIP Server  Hughes Software Systems     The HSS SIP Server is a carrier grade RFC 3261 compliant SIP application server with built in support for proxy,registrar,redirect, conferencing and more. It comes with a complete extensible framework that allows runtime plugin of new SIP functionality and supports an XML based service interface that allows service creation and deployment in a matter of minutes. 
Slipper  Iagu     perl-written with support for perl plug-ins 
Indigo SIP Server & SDK  Indigo Software     Full SIP server suite, which includes proxy, registrar and location servers. 
Indigo SIP User Agent  Indigo Software     CPL-enabled 
Indigo Presence Server & SDK  Indigo Software      
The Interaction Center Platform  Interactive Intelligence      
LanPBX  iPBX Systems     The LanPBX is a SIP based office phone system scalable from 5 to 200 extensions. Features include VoiceMail, GUI based Admin, GUI for Users, Conferencing, ITSP support (FWD, Skype etc.) and much more. 
LanScape Centrex Proxy Server (SIP Proxy for VOICE and VIDEO)  LanScape Corporation     Full functional scalable SIP Proxy that allows you to overcome all NAT related issues. Use with the LanScape VOIP Media Proxy to obtain a fully scalable VOIP domain solution. Supports VOICE and VIDEO. 
LanScape VOIP Media Proxy Server (RTP Media Proxy)  LanScape Corporation     A high performance and scalable RTP media proxy server supporting VOICE and VIDEO. Should be used with LanScape SIP proxy servers. Allows you to overcome all NAT traversal issues. Easy to deploy. 
RealTime Applications Server  LongBoard Inc     Carrier-class SIP based applications platform that provides standard, built-in telecommunications features such as name and number translation, private dial plans, call forwarding, and call routing, as well as such next-generation applications as Web-based control of subscriber features, Microsoft Outlook and Messenger integration, IP Centrex, and unified messaging. In addition to bundled services, the server provides SIP, WEB, OA&M and desktop integration APIs, which allow service providers or third-party software developers to extend the built in applications, or add new and unique applications to the platform. 
Planet IPX-2000  LusoSis     Internet Telephony PBX System SIP 2.0 (RFC3261), Max. 200 SIP IP phones/50 concurrent calls, FXO interface for PSTN, Forward to voice mail on no-answer, Configurable IVR prompts. Up to 4 PBXs cluster. 
Planet IPX-1800  LusoSis     SMB Internet Telephony PBX System SIP 2.0 (RFC3261), Max. 30 SIP IP phones/10 concurrent calls, FXO/FXS interfaces, Forward to voice mail on no-answer, internal 450 minutes, Configurable IVR prompts. 
Linksys SPA9000  LusoSis     SMB SIP (RFC3261) IP PBX, 4 phones upgradeable to 16 phones, 2 FXS, IVR/ACD, Voice Mail, DiffServ)/TOS, upgradeable to IPv6 (RFC 1883), SNTP, STUN, Codecs: G.711, G.726, G.729 A, G.723.1. 
Yxa  Magnus Ahltorp at KTH, Fredrik Thulin of SU      
Meetinghouse SIP Proxy  Meetinghouse Data Communications     CPL support, Linux/FreeBSD/VxWorks builds 
.Net Server  Microsoft      
MjServer  mjsip.org     open source cross-platform SIP proxy/registrar/redirect server, written in java, based on MjSip stack, freely avalible under GPL 
7000 Integrated Communications Server  MKC Networks     Packaged for SMB and ITSPs the 7000 ICS is a turnkey solution. Includes vmail, autoattendant, dialplan, voice-networking, GUI based, IPDR logs. B2BUA, media server, SIP proxy/registrar 
7000 CS  MKC Networks     Shipped on a CD the 7000 CS is a full SIP-PBX. The disk includes a full Linux OS and firewall (ALG), SIP proxy and media server. Auto attendant and voicemail included. 
NicIVR  NicIVR     NICIVR is a professional software solution for service creation in the VoIP architecture. Speaks SIP directly to industry leading softswitches and gateways to provide applications such as calling card 
SIP Audio Server  Nortel Networks     The SIP Audio Server supports SIP-based conference call services and provides network-based announcements.  
Multimedia Communication Server 5100  Nortel Networks     The Multimedia Communication Server (MCS) 5100 delivers multimedia and collaborative applications to the enterprise on an \"open\" platform that supports industry-standard protocopls. 
Multimedia Communication Server 5100  Nortel Networks     The Multimedia Communication Server (MCS) 5100 delivers multimedia and collaborative applications to the enterprise on an \"open\" platform that supports industry-standard protocopls. 
Multimedia Communication Server 5200  Nortel Networks     Nortel Networks Multimedia Communication Server 5200 (formerly known as the Interactive Multimedia Server or IMS) allows service providers to deliver SIP-based hosted services. 
SIP Redirect Server  ObjectSoftware     includes portable SIP stack; SIPLets framework 
PBX and SIP Server  pbxnsip Inc     pbxnsip PBX uses the SIP protocol and supports a large range of devices from all kinds of vendors. If you are extending your system, you can choose the devices that you like the most. 
SIPxchange  Pingtel     SIPxchange is a complete open source enterprise IP voice solution for any offices from 10 to 250 seats. 
SVVInG  PointerCom S.p.A.     SVVInG (Simple Voice and Video Internet/Intranet Grid) is a platform (gatekeeper + SIP Proxy + Regitrar + BSC + Presence, etc.) for the deployment of Voice and Vide IP services. 
PortaSIP  PortaOne     PortaSIP allows delivering of new communication services at low start-up and operating costs.

The PortaSIP Solution, consisting of SIP Proxy Server, and B2BUA provides a platform to deliver innovative services that can be deployed over IP, cable, or broadband networks. 

NextBX Access Call Server  QuesCom     NextBX - The Call Server Softswitch that gives enterprises and service providers an easy entry into the world of Value added services with IP Telephony and VoIP 
VOIP Gateway,IP Phone,GSM Gateway,USB Phone  Shenzhen Gateway Technology Ltd.      VOIP Gateway(8ports&4pors&2ports) support H323&SIP 1port VOIP Gateway and IP Phone support H323&SIP&MGCP&N2Phone GSM Gateway(1200MHZ&1800MHZ&1900MHZ) We also do OEM products . 
snom 4S SIP Soft Switch / Proxy / Media Server  snom     snom 4S Features: A SIP telephony infrastructure built on a snom 4S fulfils all requirements on modern telephony. Voice Mail, Conferencing, Scripting, STUN, CDRs, RADIUS, CID, MWI, VM, much more... 
Distributed SoftPBX  Sonetel     Distributed SoftPBX for Service Providers offering VoBB services. The enterprise SoftPBX is integrated with centralized resources in the network. Superior to IP Centrex, Hosted PBX and IP PBX. 
CommuniGate Pro Real-Time Communications  Stalker Software, Inc.     Email, groupware, & SIP server software solution for integrated real-time communications. Offered as Single Server or Dynamic Cluster (99,999 Uptime). Supports VoIP/Video, IM, & more. 30+ platforms. 
Streamwide Unified Messaging System  Streamwide     Complete Voice Mail platform. IOT done with Nortel, Alcatel, Cirpack & Cisco softswitches. (Clients : Cegetel, NEUF, AOL, B3G, etc...)  
Prepaid System  Streamwide     Complete prepaid solution (subscribers, calling cards & voucher). IOT done with Nortel, Alcatel, Cirpack, softswitches. 
sipd  SX Design      
megaSwitch Class 5 server  Sysmaster Corporation     megaSwitch is a feature-rich, versatile, and scalable Class 5 VoIP PBX server designed for implementations in mixed VoIP/PSTN and/or pure VoIP telecom infrastructure. 
Teligent SoftSwitch  Teligent     The Teligent SoftSwitch is the core and central point in the Next Generation Switching architecture. Built on a proven telecom platform, it offers outstanding availability, flexibility and scalability 
Atrium SIP Server  Terminal Technologies     JAIN-based 
Helmsman SIP Network Server  Ubiquity     Dual-tier load balancing technique provides a scalable and redundant SIP infrastructure. 
Ubiquity SIP Application Server  Ubiquity     Acts as a host for IP communications service modules and as an intermediary for interactions with other entities in a distributed architecture (web servers, IVR etc.). Service modules include: CPL, Presence, IM, 3PCC, Multimedia, VPN. 
VOCAL  Vovida     Open Source, SIP VoIP system with H.323 and MGCP translators. Includes a provisioning and CDR functions 

Gateways

NameVendorsiph323mgcpCommentsUpdate
Request
VoIP GSM Gateway G4  1telecom     4 - 72 channels VoIP to GSM gateway  
ATEUS VoiceBlue  2N Telekomunikace     4 channels VoIP to GSM gateway  
GSM Gateways - VoIP, BRI, PRI, Analogue  2N TELEKOMUNIKACE a.s.     GSM Gateways 
Net-Net Session Director  Acme Packet     High-performance, high-capacity, signaling and media control engine performs security, service assurance, and law enforcement functions at network borders. Simultaneously supports SIP, MGCP and H.323 networks in service provider and enterprise configurations. 
VoIP Gateways, IP Phone (H.323, SIP and MGCP)  AddPac Technology Co., Ltd.     - H.323/SIP/MGCP triple stack - FXS, FXO, E&M, E1/T1 - 1~60 ports gateways  
7515 Media Gateway  Alcatel     Multi-protocol: SIP, Megaco, M2UA. Multi-service: host agregation, trunking with PRI PBX, PSTN trunking. Highest scalability: 2 RU for distributed deployments. Carier grade: 100% redundancy. 
VoIP Talk AT-VP504E FXO  Allied Telesyn      
MB 1003, MB 1000  Anatel      
VoxGate  Arrayvox Communications     Extremely affordable Multi Protocols (SIP, H.323, and MGCP) Gateways with 2X 10/100Base-TX port and 2X FXS Ports  
MediaPack Analog Media Gateways  AudioCodes     Analog Media Gateway series featuring 2, 4, 8 or 24 analog ports to connect analog phones, faxes, PBXs, and CO connections using FXS or FXO interfaces.  
BroadWorks  BroadSoft      
Enhanced Soft-Switch - ESS  Brotecs Technology Limited     ESS is a Feature Rich, Software Based, Low-Cost Class 5 Soft Switch. 
Universal Telephony Plateform  CIRPACK     CIRPACK Local Exchange and Transit switches have native support for all TDM, ATM and IP networks and protocols simultaneously. They can be used to build and/or extend TDM networks at a very low cost as well as to introduce VoDSL, VoIP, VoWLL, VoCable, ISDN PRI/BRI, POTS, etc. CIRPACK’s carrier-class solutions are highly scalable and have been deployed with real telco traffic as of 1998. CIRPACK is a European equipment vendor with extensive knowledge and proven deployments of ETSI requirements and signaling variants. 
IP Telephones  Cisco     Cisco callmanager use MGCP now for the E1 card on the catalyst 6000. 
Voice/Fax Network Modules for Cisco 2600/3600 Routers  Cisco      
1700 router  Cisco      
CSSW4000 Softswitch  ComGates      
4007 SS7 Ip signalling gateway  CommWorks      
Total COntrol 1000  CommWorks      
Total COntrol 2000  CommWorks  &