Home›3GPP standards›IP Multimedia Subsystem🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ1140664· pop 21· linked from 371 articlesIP Multimedia Subsystemarchitectural framework of telecommunicationsAvailable in 21 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoAzerbaijaniCatalanConnectionsH.248EntitySystem Architecture EvolutionEntityCategories3GPP standardsAudio network protocolsIMS servicesLTE (telecommunication)MultimediaNetwork architectureTelecommunicationsTelecommunications infrastructureVideotelephonyVoice over IP