EntityQ1760619· pop 7· linked from 7 articlesTwinkleSign in to saveapp for voice communications over VoIP protocolConnectionsQ201904EntityLinuxEntityoperating systemEntitysoftwareEntityQ2407Entitycomputer networkEntityGNU General Public LicenseEntityVoice over IPEntityprogrammerEntitysoftware licenseEntityfree and open-source softwareEntitycomputing platformEntitysoftware release life cycleEntitySession Initiation ProtocolEntityReal-time Transport ProtocolEntitylist of free and open-source software packagesEntitysource code repositoryEntitySpeexEntityG.711EntityG.729EntityCategoriesCryptographic softwareFree VoIP softwareInternet privacy softwareKDE softwareProducts articles with topics of unclear notabilitySecure communicationSoftware that uses QtSoftware using the GNU General Public License