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MRF

MRF Summary

MRF(Media Resource Functions) is a system that provides multimedia services to IMS subscribers.

  • MRF is composed of ACS as MRFC that controls the media resource and MPS as MRFPthat processes all media (voice/video)
  • It provides intelligence service free call, real-time limitation, prepaid phone to IMS subscribers within SIP/IMS network.
  • It also provides media transcoding and voice and video conferencing functions
  • The AIN-IP functions that is provided Circuit base on 3G networks can also be provided through packet base interfaced with SCP-AS in the IMS network.
  • To provide info commentary service, constant and edit type (balance info, date info etc.) are available
  • Multi-language service is provided (Korean, Japanese, English, Chinese, Thai, Mongol, Indonesian etc).
  • provides balance call time remaining and ad listening functions to VoLTE ad listening subscribers.

System Configuration

  • ACS: Application Control Server
  • MPS: Media Processing Server
  • HSS: Home Subscriber Server
  • CSCF: Call Session Control Function
  • RNC: Radio Network Controller
  • SCP_AS: Service Control Point Application Server
  • OMP: Operation & Management Processor

Feature

  • Simultaneously supports Voice/Video and capacity expansion is convenient
    • Additional capacity expansion of MPS(Media Processing Server) : Max. 8 units of MPS, Total of 8,192 RTP channel
  • Increase Credibility through Redundancy configuration
    • ACS(Application Control Server): Active – Standby
    • MPS(Media Processing Server) : Active – Active (Load balancing)
  • Supports real-time Transcoding (Voice & Video)
  • Provides High quality AMR-WB voice codec and H 264 video codec
  • Process AS and SIP , supports RFC2897(AUPKG)
  • Provides voice/video call through RTP
  • Provides constant/edit type info commentary (Balance info, date info etc.)
  • Multi-language support (Korean, Japanese, English, Chinese, Thai, Mongol, Indonesian etc.)
  • Provides real-time transcoding for sound/video
  • Image/Text overlay + voice play function
  • Voice/video Conferencing

Expected Outcome

  • Provides intelligence service VoLTE users such as free calls, real-time call limitation, and prepaid calls

  • Provides convenient functions such as sound info, balance info, DTMF collection, and voice recording.

  • Provides balance call time remaining and ad listening functions to VoLTE ad listening subscribers.

Reference

SKT VoLTE MRF

KT VoLTE MRF

Indonesia Telkom Flexi

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