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.