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Active Voice: The PC-based voice-processing provider has extended its unified-messaging solutions to Microsoft Exchange in Kinesis.

Apple: Apple's QuickTime 6 supports MPEG-4 video and audio file formats. And the company has recently acquired Emagic, Nothing Real, and Prismo for digital audio and video creation.

Blue Coat Systems: Formerly CacheFlow, Blue Coat Systems refocuses cache servers as security gateway appliances in its SG800 and SG6000 devices.

Interwoven: The company's Media Asset Management platform for content delivery extends its Enterprise Content Management suite.

LVL7: The company's Fastpath 3.0 software for network processors and ASIC/ASSP includes advanced services for QoS, multicast and BGP-4.

Microsoft: Windows Media 9 Series supports MPEG-4 video (not audio) file formats.

MPEG-4 LA: MPEG-4 patent holders, including Microsoft, Philips and Sony, are pursuing license strategies for MPEG-4 video on per-stream and decoder schemes.

NEC: NEAX Internet Protocol Server Distributed Model (IPS-DM) extends NEC telphony solutions over IP.

NetIQ: The company's Vivinet family of products to assess and manage VoIP and IP telephony solutions now includes diagnostic software for root-cause analysis.

Radvision: Radvision has begun shipping Invision, a 1U videoconferencing appliance that includes an integrated gateway, gatekeeper and multipoint conferencing unit with ISDN and IP support.

RealNetworks: Helix Universal Server 9.0 and RealVideo 9 are fully interoperable with the MPEG-4 specification.

Sonexis: Sonexis' audioCollaborator is an IP audioconferencing system in a 1U appliance that supports up to 96 PSTN ports or 120 IP connections.

Sony: With Philips, Sony acquired InterTrust to develop a DRM (digital rights management) solution.