Linphone open source VoIP SIP softphone - voice, video and ...

... SIP client for HD voice/video calls, 1-to-1 and group instant messaging, conference calls etc. Available for iOS, Android, Windows, macOS and GNU/Linux. Jumptonavigation Logomenumobile Mainmenu MenuSolutions Securecommunications Leverageourlong-termexpertiseonsecureuserauthenticationandend-to-endencryption. Allusecases Linphoneanditscomponentsarediversofinnovationinmanysectors.Readourwhitepapers. Menutechnicalcorner Linphone AnopensourceSIPphoneforvoice/videocallsandinstantmessaging(mobileanddesktop) Liblinphone Ahigh-levelVoIPlibraryimplementingallSIPcallingandIMfeatureswithinasingleAPI Flexisip ASIPserverimplementationwithproxy,presenceandconferencemodules Mediastreamer2 Apowerful,lightweightstreamingengineforvoice/videotelephonyapplications oRTP AClibraryimplementingReal-TimeTransportProtocol Belle-sip AmodernlibraryimplementingSIPtransport,transactionanddialoguelayers LIME End-to-endencryptionmoduleforinstantmessaging,implementingtheSignalProtocol VoIPtunnel AVoIPanti-blockingsolutiontoovercomeVoIPblockingandfirewallrestrictions bcg729 AfullyportableC99implementationofbothanencoderanddecoderfortheG.729A/Bcodec Newsletter Tapthekeyboardtoperformyoursearch MainmenuProducts Solutions Licensing&services Technicalcorner Aboutus News forsmartphones,tabletsanddesktopplatforms -HDaudioandvideocalls -IntegrationwithiOS/Androidpushnotificationssystems -Audioconferencesandadvancedcallingfeatures -Instantmessaging(IM),groupchatandfilesharing -Accountcreationandremoteconfiguration(viaQRcodeorURL) -Securecommunicationswithend-to-endencryption -FullySIP-based,forallcalling,presenceandIMfeatures Learnmore Downloadfor Acomplete,secureandinteroperableSIPsoftwaresolutionforcommunicationsystemsdevelopers DiscoverourVoIP andInstantMessaging solutionsin3minutes! Solutions,resourcesandcommercialoffers  Accueilprofil Enterprise Developers Users Products WhatisbehindLinphone,andwhatsoftwaredoyouactuallyneed?Discoverthewholesoftwarefamilythatwedevelopanddistribute. Learnmore Solutions WonderinghowyoucanuseLinphone,LiblinphoneSDKorFlexisipserverinyourown,specificVoIPproject?Readcommonusecasesandconsultourwhitepapers. Learnmore Licensingandservices Undecidedbetweenopensourceorproprietarylicenses,orneedhelpwithyourproject?Learnaboutourlicensingmodelandouravailablerangeofprofessionalservices. Learnmore Company Whoareweandwhatdowedo?LearnthestoryofthecompanybehindtheLinphoneproject,seeourteam’sskillsandreadsomeofourreferences. Learnmore Developerwiki Muchmoretechnicalinformationisavailable,andmostofthedeveloperguidelinesareheldinLinphone’stechnicalpublicwiki. Learnmore Whitepapers LearnhowtouseLinphoneandFlexisiptobuildyourintercomsystem,yoursecureVoIPsolutionoryoursocialnetworkingapp. Learnmore Technicalcorner Accessdetailedtechnicalinformationaboutoursoftwareapplications,includingoursoftwarearchitecture,supportedRFCs,APIdocumentation,howtogetthesourcecodeandmore. Learnmore Features LinphoneisanopensourceSIPphonethatmakesitpossibletocommunicatefreelywithpeopleovertheinternet.Findoutwhatitcando. Learnmore FAQ IfyouareinanydoubtabouthowtostartusingLinphoneandmakethemostofalltheavailablefeatures,youcanlookforanswersinourFrequentlyAskedQuestions. Learnmore FreeSIPservice CreateandmanageyourLinphoneaccount(whichmeansyourownSIPaddress)tostartusingLinphoneandconnectwithyourfriends. Learnmore ChooseLiblinphone,theeasiestwaytobringadvancedVoIP&IMfeaturestosoftwareapplicationsorhardwareproducts Cross-platform AsingleSDKwithabstractionofplatformspecificities,todevelopyourVoIPclientforsmartphones,tablets,desktopplatformsandembeddedsystems Multi-language LiblinphoneoffersAPIsforvariousprogramminglanguages:C#,Java/Kotlin,Swift,C++andC. Easy-to-get SeamlessintegrationwithmobileplatformIDEsthankstoourMavenrepositoryandCocoapods.SDKpackagesareavailableandsourcecodeispubliclyshared. Easy-to-use Thankstoourtutorials,publicWiki,anddevelopmentassistanceservice.   READMORE BuildyoursecurecommunicationsappwithLinphone   Secureuserauthentication andcallsetup,withSHA-256digestauthenticationorTLSclientcertificates Securevoice& videocalls basedonZRTPorSRTP-DTLSend-to-endencryptionprotocols,usingAES128-bitor256-bitkeylengthandsafe EllipticCurvesDiffie-Hellman(ECDH) X25519andX448 Secureimandgroupchat(mobileonly) withLinphoneInstantMessagingEncryption(LIME),usingmoderncipheringcurveX448anddoubleratchetalgorithmforperfectforwardsecrecy   READMORE WelcometoLinphone Latestnews NewreleasesofLinphoneappsandtheLinphoneSDK April 2022 Messageforwarding&replyto,voicemessagingandLDAPcontactsearchfeaturesarenowavailable! Readmore Majornewfeaturesareavailableinlinphone4.3fordesktopplatforms October 2021 ThisnewversionsupportsgroupInstantMessaging,securedchat,ephemeralmessaging,LDAPintegrationetc. Readmore Flexisip2.1nowavailableforCentOS8andDebian10 October 2021 Anewservicecalledthe'RegEventserver'hasalsobeenaddedtotheFlexisipserversuite Readmore MorenewsSubscribe ContactoursalesteamtodiscussyourVoIPandIMprojects. ContactUs Nofrontpagecontenthasbeencreatedyet. Footermentions ©Copyright2020 -Linphone-BelledonneCommunicationsSARL