Communication Division

The VMG converts media between WCDMA mobile video phones and Internet-based video phones and other applications. Offers extensive multimedia solutions for converged Next Generation Networks (NGN), such as between IMS (IP Multimedia Subsystem) networks, 3G networks and IP networks. Supporting real-time voice and video transcoding, it provides an extensive list of protocols including 3G-324M and MEGACO. The VMG supports MRF (Multimedia Resource Function) for video conference calling, multimedia ring back service and other video services.

Application

• Video phone service over fixed and mobile video terminals
• Multimedia ring back (color ring)
• Video announcement
• Video conference call
• Video mail & messaging

Features

• Carrier grade reliability
• Modular scalability
• Open standard interfaces
• Complete redundancy ensuring the highest reliability
• 3G mobile network interface (E1)
• MEGACO protocols for softswitch interconnect (H.248, RFC3015)
• SNMP protocol for NMS connection
• EMS/GUI for convenient centralized operation
• Signaling protocol source developed in-house allowing for fast, low-cost customization
• Extensive voice coding algorithms and transport methods
  • - Video Codecs : MPEG-4, H.263, H264
  • - Audio Codecs : AMR,EVRC,GSM-FR/EFR,G.711,G.723.1,G.726,G.729,G.728
  • - RTP/RTCP(RFC3550), RTSP(RFC2326)
  • - RFC2429 RTP Payload Format for the 1998 Version of ITU-T H.263
  • - RFC3016 RTP Payload Format for MPEG-4 Audio/Visual Streams
  • - RFC3984 RTP Payload Format for H.264 Video.
• Supports diverse video frame rate matching (Up to 30 fps)
• Supports diverse video size matching
  • - CIF(352 x 288), QCIF(176 x 144), SQCIF(128 x 96), QVGA, SQVGA