Tuesday, May 17, 2005

PMC-Sierra Offers SIP-based Analog Telephone Adapter Solution

PMC-Sierra announced the availability of a VoIP Analog Telephone Adapter (ATA) platform solution, its first in a family of turnkey designs for residential Customer Premises Equipment (CPE). PMC-Sierra is providing a complete Analog Telephone Adapter solution including a MIPS-Powered VoIP processor, voice processing firmware and Codecs, SIP signaling protocol stack, telephony and management applications, and complete hardware design.

The platform supports up to 200Mbps of data throughput and can handle up to two channels of VoIP with QoS prioritization of voice processing over data throughput. Other features include secure signaling and voice channel encryption with DES, 3DES and AES; a Web-based GUI for local or remote system management; and Fax relay support with T.38 compliance.

PMC-Sierra said voice quality measurement results for the platform show a Mean Opinion Score (MOS) of 4.1 for a voice channel using a G.729 encoder. Enhanced packet-loss concealment algorithms and adaptive jitter buffers provide high voice quality (audio quality and low latency) in the event of network impairment, which can be typical of broadband Internet services. Connection set-up and reliability is addressed with the use of a fully standards compliant SIP protocol suite which PMC-Sierra is actively conformance testing against media gateway systems.

The platform is based on PMC-Sierra's MSP2015 VoIP processor or PMC-Sierra's MSP2020 VoIP processor with security engine. The MSP2015 and MSP2020 Multi Service Processors utilize a MIPS processor core. Session Initiation Protocol (SIP) signaling is used for call set-up and management. In addition, the MSP2020 offers secure data encryption for the voice channels without affecting voice quality or performance.

The software environment uses Linux, enabling ODMs and OEMs with special requirements to extend the telephony and management applications. In addition, PMC-Sierra's Open Source-based platform provides a flexible solution for a broad range of third party vendors to offer key enhancements to functionality and features such as VoIP security, advanced QoS, and advanced telephony features.

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