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MRF - Multimedia Resource Function

This IMS entity, in conjunction with the S-CSCF and an AS, is responsible for carrying out a variety of processing tasks on media streams associated with particular services. These tasks include: coordination and distribution of voice traffic associated with a conference, playing of announcements to the subscriber eg. session failure or redirection announcements and finally, transcoding of voice or video streams to facilitate successful session establishment. The MRF is comprised of a MRFC and an MRFP.


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

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