This white paper provides a summary of the RCS (Rich Communications Suite) VoLTE (Voice over LTE) Interoperability Test Event 2012, which took place from September 24 – October 12 in Slovenia and China. The event was jointly organized by the Multi‐Service Forum (MSF), the European Telecoms Standards Institute (ETSI) and the GSM Association (GSMA).

Radisys, a Silver Sponsor of this event, contributed its Media Resource Function (MRF) for integration testing in a full-featured multi-vendor LTE/IMS environment. The MRF provided advanced capabilities in handling media processing requests, under the control of application servers and CSCF equipment from a variety of vendors.

Video calling, video share, video streaming announcements, video conferencing, video ringback tones, and video IVVR (Interactive Voice and Video Response) were some of the video services that we successfully tested and demonstrated during the event, all utilizing the Radisys MRF. These audio and video services were supported with full media transcoding and transrating (for carrier bandwidth optimization) and across a diverse set of mobile handhelds (UEs) and associated audio/video codecs, including H.264 and AMR-WB.

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RCS VoLTE Interoperability Event 2012

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