MMTel - Multimedia Telephony

MMTel is a 3GPP standardized, IMS based service which is designed to facilitate real-time communication based on voice and video telephony. In addition, real-time chat is also included, which encompasses features such as file sharing. Both VoLTE and ViLTE are based on the MMTel standards.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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