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VoIP software is used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. VoIP stands for "Voice over IP". For residential markets, VoIP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers (i.e. have a "New York" PSTN phone number in Tokyo).
For enterprise or business markets, VoIP enables the enterprise to manage a single network (the IP network) instead of separate voice and data networks, while enabling advanced and flexible capabilities to the end user.
Softphones are end-user–based clients for initiating and receiving voice and video communications over the IP network with the standard functionality of most "original" telephones and usually allow integration with IP phones and USB phones instead of utilizing a computer's microphone and speakers (or headset). Most softphone clients run on the open Session Initiation Protocol (SIP) supporting various codecs. Skype runs on a closed proprietary network. Online "Chat" programs now also incorporate voice and video communications.
Other VoIP software applications include conferencing servers, intercom systems, virtual FXOs and adapted telephony software which concurrently support VoIP and PSTN like IVR systems, dial in dictation, on hold and call recording servers.
Contents |
General softphone clients
| Program | Operating systems | License | Protocols/based upon/compatible with | Encryption | Other capabilities | Latest release |
|---|---|---|---|---|---|---|
| AOL Instant Messenger | MS Windows, Mac OS, Linux | Freeware / Closed Proprietary | SIP (MS Windows ver. only), RTP | Unknown | Video, file transfer, PC to phone, phone to PC | |
| BitWise IM | Linux, Mac OS X, Windows | Freeware / Closed Proprietary | Blowfish | File transfer, whiteboard | 1.7.2 | |
| Brosix | MS Windows | Freeware / Closed Proprietary | Unknown | Text chat, File transfer, Video chat, Screen-shot, Screen-sharing, Whiteboard, Voice mail, Co-browse | 2.0.2 | |
| Cisco IP Communicator | Windows | Closed Proprietary | SCCP (Skinny), SIP, TFTP | sRTP | 7.0.3 (Aug 2009) | |
| Coccinella | FreeBSD, Linux, Mac OS X, Windows | GPL Free software | XMPP, IAX | TLS/SSL and SASL | File transfer, whiteboard | 0.96.14 |
| CommuniGate Pro | Solaris, Linux, BSD, OSX, Windows, AIX, HPUX | Closed Proprietary | SIP, XIMSS Protocol | TLS/SSL and SASL | Multi-party conference, IM, Video, VideoMail, Presence | 5.2.x (October-2008) |
| CounterPath X-Lite | Windows, Mac, Linux | Freeware / Closed Proprietary | SIP, STUN, ICE | Unknown | IM, single login account, for Windows and Mac also Conferencing, Video and SIMPLE based presence] | Windows and Mac: 3.0, Linux: 2.0 |
| Ekiga (formerly GnomeMeeting) | Linux, (Beta Windows support), OpenSolaris | GPL Free software | SIP, H.323, H.263, H.264/MPEG-4 AVC, STUN, Theora, Zeroconf | No | Video, IM, LDAP, Call Forwarding, Call Transfer | 3.2.6
(September 22, 2009) |
| Empathy | Linux | GPL Free software | SIP, XMPP (Jingle), ICE (STUN/TURN), Zeroconf | No | IM, multi-user A/V, collaborative applications | 2.26.2 (18-May-2009) |
| Gizmo5 | Windows, Windows Mobile Phone, Mac OS X, Linux, Blackberry, Nokia, PDA Java | Freeware / Closed Proprietary | SIP, XMPP | SRTP | Record Calls, Forward Calls, MSN IM, Windows Live Talk, Google Talk, Talk with Yahoo, Messenger, XMPP | Windows: 4.0.5.395 (23 Sep 2009), Mac OS: 4.0.0.269 (23 Sep 2009) |
| Google Talk | Windows | Closed Proprietary (using libjingle) | XMPP | Unknown | Video, chat, file transfer, voicemail, mail via "GMail Integration" | 1.0.0.104 |
| iChat | Mac | Closed Proprietary | SIP AIM ICQ XMPP H263 H264 | Unknown | Integrated, PBX independent | January 2007 |
| Jabbin | Linux, Windows | GPL Free software | Libjingle, XMPP | SSL | Instant messaging, file transfer, compatible with Google Talk | 2.0b2 |
| KCall | Linux (KDE) | GPL / LGPL Free software | SIP | Unknown | 0.7.0 (2 August 2007) | |
| KPhone | Linux (KDE) | GPL Free software | SIP, STUN, NAPTR/SRV | SRTP | Video, voice, IM, external Sessions, IPv6 support for UDP | 1.2 (November 2008) |
| Linphone | Linux and Microsoft Windows | GPL Free software | SIP | Unknown | Video, IM, STUN, IPv6 | 3.0.0 (13 Oct 2008) |
| Lotus Sametime | Linux and Microsoft Windows, Mac OS X | Closed Proprietary | SIP, SIMPLE, T.120 and H.323 | Unknown | 8.0.2 (October 2009) | |
| Mercuro IMS Client | Windows XP/Windows Vista/Windows Mobile | Closed Proprietary | SIP, XCAP, MSRP, NAPTR/SRV, Dhcp, RTP, H263, H264 | TLS-Ipsec | Voice/Video Calls, Presence, Instant messaging, File transfer, Remote Contact Storage | 4.0 |
| MindSpring (formerly Vling) | Windows 2000, Windows XP | Freeware / Closed Proprietary | SIP, XMPP | Unknown | Instant messaging, PC to phone, file transfer | 2.0 |
| Minisip | Windows XP, 2000, Linux, Windows Mobile | GPL / LGPL Free software | SIP | SRTP, TLS, MIKEY (DH, PSK, PKE), end to end encryption | Video, IM Conferencing | |
| Mirial Softphone (Mirial s.u.r.l., formerly DyLogic) | Windows 2000/XP/2003/Vista, Mac OS X (x86) | Closed Proprietary | SIP, H.323, RTSP | DTLS-SRTP | H.264 Full-HD 1080p video rx/tx, Two independent lines supporting Call Control and 3-Party videoconference in Continuous Presence, G.722.1/C wideband audio, Call recording/export, DV/HDMI/Component capture, Presentation (H.239, RFC-4796), Encryption, Far End Camera Control, GPU accel (D3D and OpenGL) | 7.0 (June 11, 2009) |
| Mumble | Windows, Mac OS X, Linux, and BSD (server only) | GPLv2 | Speex | SSL | Chat with (limited) embedded HTML, ACLs for user management, Customizable In-Game Overlay, Directional Audio, Plugin Support, Nested Channels | 1.1.8 (March 22, 2009) |
| OctroTalk | Symbian, Windows Mobile, and Windows | Shareware / Closed Proprietary | SIP, (XMPP, STUN, ICE, Libjingle and RTP (media) | TLS and SASL | VoIP, SIP calling, Video conference/chat, live video streaming, P2P file transfer, instant messaging | 2.14 (February 17, 2009) |
| PhoneGaim | Linux (Linspire), Windows XP/2000 | GPL free software | SIP | Unknown | ||
| QuteCom (formerly WengoPhone) | Linux, Windows XP/2000, Mac OS X | GPL free software | SIP | SRTP | Video, IM (MSN, AIM, ICQ, Yahoo!, XMPP, GoogleTalk), voicemail, wengo to phone, conferencing. | 2.2 RC3 |
| Revation Communicator | Windows 2000/XP/Vista/7 | Closed Proprietary | SIP/SIMPLE | TLS and SRTP | Secure Multi-Party Chat/Instant Messaging, Presence, VoIP, Video, File Transfer, Desktop Sharing | 4.3 (August 2009) |
| SFLphone | Linux | GPL3 free software | SIP,RTP, IAX2,STUN, SRV | No | Gnome/KDE client, address book, multiple accounts, unlimited number of calls, call transfer, hold/unhold | 0.9.5 (May 22, 2009) |
| SightSpeed | Mac OS X / Windows | Freeware / Closed Proprietary | SIP,RTP,Proprietary P2P protocol | Unknown | video, voicemail, phone in, phone out, multiparty calling, conference recording, text messaging, NAT traversal, video mail | 6.0 |
| SIP Communicator | Linux, Mac, Windows XP/2000 (all java supported) | LGPL free software | SIP/SIMPLE, XMPP | Secure calls with zRTP is planned for 1.0-rc1 | Text messaging, audio/video telephony, basic IPv6 | 1.0-alpha2
(November 02, 2007) 1.0-alpha3 (unreleased) |
| Skype | Windows 2000/XP/Vista, Mac OS X, Linux, BREW, Windows Mobile, iPhone, PSP | Freeware / Closed Proprietary | Proprietary P2P protocol | Yes | Video, file transfer, voicemail, Skype to phone, phone to Skype, additional P2P extensions (games, whiteboard, etc...) | 4.1.0.179 (Windows) 2.8.0.722 (Mac OS X) 2.1.0.47 (Linux) (2009-07-20 (Windows Vista) |
| TeamSpeak | Windows, Linux, Mac OS X (unofficial) | Freeware Closed Proprietary | No | conferencing | 2.0.32.60 | |
| Telephone | Mac OS X 10.5 | BSD Free Software | SIP, STUN, ICE | No | Address Book integration | 0.14.0 |
| Tokbox | Mac OS X, Windows XP/2000, Windows Vista | Freeware / Closed Proprietary | Unknown | Unknown | Video calling, video conferencing, chat, IM (MSN, AIM, Yahoo!, GoogleTalk) | Unknown |
| Tpad | Windows XP, Windows 2000, Windows Vista | Freeware Closed Proprietary | SIP, STUN | Unknown | Call Forwarding, PC to PSTN, PSTN to PC, Voicemail to email | 3.0.1 |
| Twinkle | Linux | GPL free software | SIP | SRTP, ZRTP | 1.4.2
(2009-02-25) |
|
| Vbuzzer | Windows XP | Freeware / Closed Proprietary | SIP | TLS | IM (MSN), voicemail, personalized voice greeting. | 2.0.282 |
| Ventrilo | Windows, Mac OS X | Freeware Closed Proprietary | No | Conferencing, chat, text-to-speech | 3.0.5 | |
| Voice Operator Panel | Windows 2000/XP/Vista | Closed Proprietary | SIP, RTP | Unknown | Call forwarding, Call transfer, Call recording, Presence, Outlook integration, Windows Messenger/MSN/Live integration, CRM, Built-in web browser & e-mailer, LDAP, APS. | 1.3.2 |
| Windows Live Messenger (Windows Live Call) | Microsoft Windows | Freeware / Closed Proprietary | Unknown | |||
| Yahoo! Messenger | Microsoft Windows, Mac OS (8, 9, X), (Linux/FreeBSD version not VoIP capable) | Freeware / Closed Proprietary | SIP (using TLS) and RTP (media) | Unknown | Video, file transfer, PC to phone, phone to PC | |
| Zfone (formerly PGPfone) | Linux, Mac OS X, Windows | Viewable source / Proprietary license (includes time bomb provision) | SIP, RTP | SRTP, ZRTP | Beta 2008-09-04 (Linux 0.9.224), (Mac OS 0.9.246), (Win 0.9.206) |
Mobile phones
| Program | Operating systems | Licence | Protocols/based upon/compatible with | Encryption | Other capabilities | Latest release |
|---|---|---|---|---|---|---|
|
Symbian 8.x and 9.x, Windows Mobile 5 and 6, iPhone, Maemo |
proprietary |
SIP to publicly routable servers only, not to non-publicly routable SIP Servers, Skype, Google Talk, MSN Messenger, Twitter, ICQ, AIM, Yahoo |
?E |
?OC |
3.37 |
|
|
Gizmo5 Mobile |
Windows Mobile (non-native, only through SJPhone)[1], Motorola, Nokia, Blackberry, Java PDA's, Sony-Ericsson, Samsung |
Freeware |
SIP, AIM, iChat, XMPP, MSN, Yahoo |
Yes |
Online Phone over Edge, UMTS, 3G, Call Land and Cell phone, Voicemail, AOL, iChat, XMPP, Yahoo! Messenger, Windows Live |
1.15 (as of May '08) |
|
Windows Mobile (version unknown), Symbian OS |
web based service, no download[2] |
|||||
|
J2ME, S60, Windows Mobile (version unknown), iPhone |
Closed source, freeware |
GoogleTalk, Skype, SIP to publicly routable servers only, not to non-publicly routable SIP Servers, AIM, Windows Live Messenger, Yahoo! Instant Messenger, XMPP |
?E |
?OC |
2.0 (2009.06.24) |
|
|
Nokia-Symbian, iPhone, Android, Blackberry[3] |
Proprietary Freeware |
?E |
WiFi VoIP out & in, SMS over IP, call-through & call-back, connection management, provisioning |
4.0 Symbian, 1.11.1 iPhone |
||
|
Symbian, J2ME, Android, BlackBerry RIM, iPhone, Windows Mobile 2003 SE and higher (selected models) |
Proprietary freeware |
SIP, GSM |
?E |
WiFi VoIP, GSM call-trough, SMS over IP, least cost routing, Synchronisation/back-up of mobile contacts and calendar |
2.0 |
|
|
Windows Mobile 6 Professional/Standard |
Proprietary |
SIP to publicly and non-publicly routable servers |
?E |
6.1 |
||
| X-PRO for Pocket PC |
Windows Mobile 2003 (earlier versions support Windows PocketPC 2002) |
Proprietary, discontinued in April 2007[4] |
Supported devices: AudioVox Maestro, Compaq/HP iPAQ: 365x, 37xx, 385x, 395x, hx4700, Dell Axim X51, X51v, Toshiba e550, e570. iPAQ 545x and Toshiba e7xx are not supported.[5] |
2.2 |
Frameworks and libraries
| Program | Operating systems | Licence | Protocols/based upon/compatible with | Encryption | Other capabilities | Key and target markets | Latest release |
|---|---|---|---|---|---|---|---|
| Tapioca | Linux | GPL free software | Telepathy (software) | 0.3.9 (June 12, 2006) | |||
| Telepathy/Farsight | Linux, Mac OS X, Windows | LGPL free software | SIP, XMPP (Jingle)), ICE (STUN/TURN), UPnP | None yet | Multi-user A/V conferencing, IM, collaborative applications | Mobile devices (Maemo), Linux Desktop | spec 0.17.8 (24-Jul-2008) |
Server software
| Program | Operating systems | Licence | Protocols/based upon/compatible with | Encryption | Other capabilities | Key and target markets | Latest release |
|---|---|---|---|---|---|---|---|
| AS5300 | Windows Server 2003, Linux | Closed | SIP, UNIStim, MLPP | TLS,
SRTP, SDESC |
Voice and Video IP telephony, Voice and Video conferencing, voice mail and instant messaging | 1,000 - 25,000 users | 1.0 (Jan 2008) |
| Asterisk PBX | Linux, BSD, Mac OS X, Solaris | GPL free software/ Proprietary | SIP, H.323, IAX | Voicemail, basic accounting (can be expanded by interface with ODBC-compliant database), conferencing, hot-desking, call queues; | Enthusiasts, developers, SOHO users (capacity dependent on server design) | 1.4.26.2 (September 3, 2009) | |
| CommuniGate Pro | Linux, BSD, OSX, Windows, Solaris, HPUX, AIX | Proprietary | SIP, XMPP | SSL, TLS, | SIP Registrar/Proxy, Authentication, Diameter, RADIUS, ENUM, and many others... | Mobile Operators, ISP's, and SaaS providers | 5.2.x October 2008 |
| FreeSWITCH PBX SoftPhone | BSD, Linux, Mac OS X, Solaris, Windows | Open source, Mozilla Public License, Free software | SIP, NAT-PMP, STUN, SIMPLE, XMPP, GoogleTalk (Jingle)), IAX, H.323, MRCP, RSS, Skype | Recording, Voicemail, Conferencing, RADIUS, ENUM, IM Proxy, Streaming, Media gateway, Soft-PBX, IVR (modular) | Large soft-switch users, home PBX users, softphone users | 1.0.4 (August 6, 2009) | |
| GNU Gatekeeper | Linux, Mac OS X, Windows XP/2000, FreeBSD | GPL Free software | H.323 | Routing, Accounting, Authorization | 2.2.8, January 9, 2009 | ||
| Mumble | Windows, Mac OS X, Linux, and BSD (server only) | GPLv2 | Speex | SSL | Chat with (limited) embedded HTML, ACLs for user management, Customizable In-Game Overlay, Directional Audio, Plugin Support, Nested Channels | Individuals to Small and medium enterprise (25-256 users) | 1.1.8 (March 22, 2009) |
| Mysipswitch | Linux | BSD free software Open source | SIP, Ajax | SSL | SIP proxy server which allows the use of multiple SIP accounts with a single SIP login | Individuals | August 2007 |
| Objectworld UC Server | Windows Server XP, 2003, 2008 | Closed Proprietary | SIP | IP PBX, personal assistants, IVR, automated phone provisioning, fax server, unified messaging, Outlook, Exchange and Lotus Domino/Notes integration, conferencing, outbound dialing | Small and medium enterprise (25-2000 users) | 4.4.2 (May 2009) | |
| Kamailio/OpenSIPS (formerly known as OpenSER) | BSD, Linux, Solaris | GPL free software | SIP, XMPP | SIP Registrar/Proxy, Authentication, Diameter, RADIUS, ENUM, least-cost-routing and many others. | SIP Service Providers | 1.4.3 | |
| pbxnsip | Windows, Mac OS X, BSD, Linux | Closed Proprietary | SIP | SRTP | IP PBX, presence indication, IVR, automated phone provisioning, fax server, unified messaging, Outlook, Exchange integration, conferencing, outbound dialing | Small and medium enterprise (25-256 users) | 3.3.1.3177 (April 2009) |
| SIP Express Router (SER) | BSD, Linux, Solaris | GPL free software | SIP | SIP Registrar/Proxy, Authentication, Diameter, RADIUS, ENUM, and many others... | SIP Service Providers | 2.0.0 Ottendorf | |
| sipX ECS IP PBX | Linux | Open source L-GPL | Native SIP Call Control | HTTPS, TLS | Full redundancy (HA), plug & play management including phones and gateways, fully featured | Enterprises between 200 and 10,000 users, multi-site | 4.01, June 2009 |
| Yate | Linux, Windows, BSD | GPL/MPL | SIP, H.323, IAX2, Jingle, MGCP | SRTP | RADIUS, ENUM, conferencing, voicemail, IM, ACD, PBX, IVR, FAX, T.38, LCR, HA | Home users to Large Carriers | 2.1, November 2009 |
See also
References
- ^ http://support.gizmo5.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=105
- ^ http://www.jajah.com/products/mobile-web/
- ^ http://www.truphone.com/applications/devices/
- ^ http://web.archive.org/web/20070410041829/http://www.counterpath.com/index.php?menu=Products&smenu=PPC
- ^ http://web.archive.org/web/20060509214415/www.counterpath.com/index.php?menu=pocketpcs
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