![]() IM, File transfer, Voice, Presence, Server stored contact list, HTTP tunneling, plugins, embedable in Lotus Notes Īndroid, FreeBSD, iOS, iPhone, Linux, Microsoft Windows, OS X Video, chat, screen sharing, with additional tools available as "Hangout Apps".Ģ020.803.419.1 (August 12, 2020 22 months ago ( )) Video, voice, conferencing, with additional tools available as "Services". RTP, SRTP IETF|standards for delivering real-time and encrypted media streams for VoIP. H.264 Video, AAC-ELD Audio, H.263 and VP8 SIP, IETF, Signaling protocol for VoIP, STUN, TURN and ICE| IETF, technologies for traversing firewalls and NAT Voice and Video calling IM Import Microsoft Outlook Contacts USB Support Call Recording and Conferencingġ.5.20.1 March 2010 12 years ago ( 2010-03) IM, Conferencing, Voice, Video and SIMPLE based presence ![]() IM, multi-user A/V, collaborative applicationsģ.12.12 (May 13, 2016 6 years ago ( )) SIP, XMPP ( Jingle), ICE ( STUN- TURN), Zeroconf Video, IM, LDAP, Call Forwarding, Call Transfer, Auto-answering, PC to phone, phone to PC, Multiple accounts, USP support, Message waiting indicator, SIMPLE-based presence etc.Ĥ.0.1 (February 21, 2013 9 years ago ( )) G.722 wideband, G.711a, G.711u, iLBC, iSAC, G.729a, G.729abĬall Recording, Silent Monitoring, Multiple lines and directory numbers, Configurable speed dial, Calling name and number display, Call Waiting, Call Forward, Call Transfer, Three-Way Calling (conference), Call Park, Call Pickup, Redial, Hold, Barge, Callback, Extension Mobility, Message waiting indicator, iDivert, Meet Me conferencing, Group Pickup, Do Not Disturb, XML Servicesįree, Premium "Nitro" Subscription for Additional Features.ĥ000 soft limit for voice calls, 25 hard limit for video SCCP ( Skinny), SIP, TFTP, HTTP (for XML Services) SIP SIMPLE messaging, Support for IPv6, Integration with Android operating system with filters and rewriting rulesġ.0.2 November 2014 7 years ago ( 2014-11) Opus, AMR, G.711 ( u-law/ a-law), speex, G.722, GSM, iLBC, G.729 (need to buy a licensed plugin), iSAC, SILK (narrow-band/wide-band/ultra wide-band) IM, file transfer, desktop sharing, multi-party conference, wideband TLS, SRTP and ZRTP on all versions, OTR/SMP on Linux and macOS only Opus, speex, G.722, GSM, iLBC, PCMU, PCMA MacOS version proprietary on App Store, free version limited to sponsored SIP provider Windows version proprietary Linux version open source Mixed: free software versions under GNU GPLv3 + shareware versions under gplv3 with exception of including proprietary code Voice, video, IM, Group chat, content sharing, SMS and MMS over IP services, native and social network contacts integration, incoming call/IM push notifications.Īvaya Application Server 5300 Soft Client 5.2 VoIP software with client-to-server encryption.5.1 VoIP software with client-to-client encryption.Some entries below are Web-based VoIP most are standalone Desktop applications. Other VoIP software applications include conferencing servers, intercom systems, virtual foreign exchange services (FXOs) and adapted telephony software which concurrently support VoIP and public switched telephone network (PSTN) like Interactive Voice Response (IVR) systems, dial in dictation, on hold and call recording servers. Online chat programs now also incorporate voice and video communications. Skype runs on a closed proprietary networking protocol but additional business telephone system (PBX) software can allow a SIP based telephone system to connect to the Skype network. ![]() Most softphone clients run on the open Session Initiation Protocol (SIP) supporting various codecs. Softphones are client devices for making and receiving voice and video calls over the IP network with the standard functions of most original telephones and usually allow integration with VoIP phones and USB phones instead of using a computer's microphone and speakers (or headset). For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York area code ring in Tokyo.įor businesses, VoIP obviates separate voice and data pipelines, channelling both types of traffic through the IP network while giving the telephony user a range of advanced abilities. This is a comparison of voice over IP ( VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks.
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