Software MRF

Software Media Resource Function (SW MRF)

The Radisys Software MRF provides a scalable Linux-based IP media processing solution for IMS, OTT, cloud, and WebRTC communication services.

  • Carrier-class media processing features in a Software Product Offering
  • Standards-based IMS MRF compliance for VoLTE and RCS
  • Media Processing for OTT communications
  • Virtualization support for cloud deployments
  • Support for WebRTC services
  • Based on MPX Operating Software (MPX-OS)
  • Scalability delivered through multiple COTS or ATCA platform options
  • Optimized software media processing performance – even under high load
  • Minimized total cost of ownership
  • MPX-OS foundation supports common capabilities, codecs, management, and control interfaces across Radisys MPX product family
Revenue Generating Applications
  • VoLTE
  • Rich Communication Services (RCS)
  • Unified Collaboration and Multimedia Conferencing
  • Virtualized MPaaS (Media Processing as a Service) for cloud communications
  • WebRTC services
  • WebRTC to SIP interworking
  • Enterprise VoIP and UC
  • Specialized conferencing applications, including financial trading
  • VoiceXML-based IVR & Messaging
  • IP Contact Centers
  • Voice Quality Enhancement (VQE)
  • Edge transcoding for FMC and LTE-nonLTE access
Specifications & Datasheet Download
Capacity Entry-level systems starting at 50 ports
Scalable to thousands of ports (dependent on compute platform)
Control Interfaces SIP (RFC 3261)
SIP (RFC 4117) for 2-party transcoding
Netann (RFC 4240)
SIP with VoiceXML 2.0 (some VXML 2.1)
SIP with Media Server Markup Language
(MSML RFC 5707)
Media Control (RFC 6230) with MSML Package
H.248.1 v2
Co-Residency User-configurable Linux processor affinity for co-resident
VoLTE and RCS MMtel / 3GPP compliant MRF
Compliance with GSMA IR.92 and IR.94
Voice–activated video switching (video conferencing)
Continuous presence video conferencing (4-way)
N-way audio mixing across all supported codecs (including HD audio)
Cascaded conference mixing
Loudest N mixing and preferred speaker
Automatic Gain Control (AGC), and programmable gain control
Current speaker notification
Whisper feature
Personalized mixing for each participant (e.g. for complex call
center mixing models, network gaming, voice chat, etc.)
Multimedia Announcements
and Tones
Audio and video announcements
(supports multimedia ringback tone applications)
Multiple languages (40+) for Sets and Variables
- Set Announcement Features (e.g. same prompt in multiple languages)
- Variable Announcement Features (e.g. date, time, currency, etc.)
Caller-specific announcement volume control (AGC and programmable
DTMF detection and generation
- Inband, RFC 2833, Redundant RFC 2833
Recording and Playback
Recording / playback – audio-only, video-only, audio/video
VCR Control (pause/resume, skip forward, skip back)
Internal and external storage (NFS/HTTP)
RTSP 1.0 supported for video and audio playback
Programmable Text and icon overlay (over video stream)
Voice Quality Enhancements (VQE) Acoustic Echo Cancellation (AEC)
Noise Reduction, Noise Gating, Noisy Line Detection
Packet Loss Concealment
VQE Statistics
IP-IP Transcoding 3rd party control of transcoding using
SIP (RFC 4117), SIP with MSML (RFC 5707), or H.248¹
Inline Transcoding supported using SIP Back-to-Back User Agent
IP-IP Transcoding integrated with VQE, gain control, and DTMF
Fax Fax Detection & Notification
Embedded Fax Server (Send/Receive)
T.38 or G.711 (T.30 Passthrough)
Fax over HTTP
Speech MRCP v1.0 and v2.0 support with 3rd party speech servers for:
- Text-to-speech (TTS)
- Automatic speech recognition (ASR)
Media Support Video Codecs H.263 (RFC 2190),
H.264 (RFC 3984 – MPEG4 part 10)
VP8 (for WebRTC)
MPEG4 Part 2
— QCIF to 720p, 1080p¹
— Up to 2 Mbps per stream
— Up to 30 fps
Audio Codecs HD codecs: G.722, AMR-WB, OPUS, SILK¹
baseband codecs: G.711, G.729AB, AMR-NB
Mid-call audio codec changes between NB and WB modes
Voice activity detection, silence suppression, comfort noise
5ms packetization for minimized delay
Advanced Jitter Buffer Configurability
Stream Connection Full transcoding, transrating, and rate matching
Packet forking, switching, and media replication (fan out) in support
of applications such as Lawful Intercept
Media over IP RTP, RTSP streaming, RTCP, RTCP-XR, SRTP, Secure RTCP (SRTCP), RTP
Redundancy (RFC 2198)
IPv4 and IPv6 dual stack support
IP QoS DiffServ/ToS Markings (RFC 2474)
Adaptive or programmable jitter buffer
Security SSH v1 and v2, SFTP, IPSec, HTTPS
Media Storage For announcements, recordings, ringback tones, fax, and other
multimedia content
Audio/Video Container Formats: WAV, QuickTime™, 3GP
TIFF Fax Storage Format
Internal storage: Dependent on storage space on compute platform
External storage: unlimited (via NFS/HTTP)
Network Interfaces 100/1000 BaseT Gigabit Ethernet (RJ45)
VLAN Tagging
Redundancy Ethernet/NIC Bonding
Network Management Full management, configuration, and provisioning supported via SNMP
v2c, v3 and/or web-based element management tools
Permission levels by user role, Audit trail of user actions, password
RADIUS authentication for Web UI access
Rich alarms, logs, and statistics
Operating System Required Red Hat Enterprise Linux 5.4, 5.5, 5.7, 6.4 (64 bits), or
Oracle Enterprise Linux 5 (64 bits)
Virtualization Support KVM
VMware (including vMotion support)
Platforms Supported Radisys ATCA Compute Module
Dell R620
IBM BladeCenter HS22
HP Proliant BL 460c G6
HP Proliant DL 360 G8
Cisco UCS B200 M3
Professional Services available to certify Software MRF on new COTS


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