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TI helps push VoIP growth

Posted: 31 Aug 2005     Print Version  Bookmark and Share

Keywords:texas instruments  ti  voice-over-cable chipset  vocable chipset  docsis reference design 

Texas Instruments Inc. (TI) unveiled its advanced voice-over-cable (VoCable) chipset and new Wideband DOCSIS reference design, which promises to help drive the continued global growth of voip.

The DSP-based TNETC47xx (Puma-4) VoCable chipset incorporates advancements to process cellular codecs, setting the stage for fixed mobile convergence with phones that operate on cellular or VoIP connections, depending on the user's choice and proximity to either network. TI added that the chipset's low bit-rate codecs for conferencing channels use half the bandwidth currently consumed for multi-user calls, saving bandwidth for other applications while maintaining high data rates.

"As service providers push for more processing-intensive features such as VoIP, conferencing services, mobility throughout the home and digital TV, the traditional cable modem is evolving into something much more advanced," said Irvind Ghai, director of worldwide marketing for TI's cable group. "It is increasingly important to have a flexible, DSP-based solution at the heart of that device."

In addition to the TNETC47xx chipset, the company announced its Wideband DOCSIS reference design that lets equipment manufacturers and service providers evaluate system architectures today, speeding time to market. This will allow multi service operators (MSOs) to quickly offer advanced features and enhanced cable modems, once the standard is approved, shared TI. The reference design includes documentation, board schematics, production files and DOCSIS software.

Wideband DOCSIS technology will incorporate multiple down and up streams in a single modem, providing higher broadband speeds and greater bandwidth to both business and consumer subscribers. As the standard evolves to include voice, the increased bandwidth and enhanced performance of DOCSIS 3.0 modems will support VoIP conversations and video downloading without impacting the stream of information delivered to and from the home or office, explained TI.

The TNETC47xx chipset will sample in the Q4 of 2005, while the Wideband DOCSIS reference design is expected to be released in the same time frame.



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