SAN JOSE, Calif. -- Sigma Networks(sm), Inc., provider of the most complete range of metro interconnect services, today announced the first full line of Wavelength Services for the metropolitan area. The company's MAINLight(sm) Wavelength Services now feature three distinct offerings designed to match a spectrum of needs from carrier and service provider customers. Sigma Networks' enhanced Wavelength Services include: UWave - Unprotected Wavelength Services, PROWave - Protected Wavelength Services, and RADWave - Redundant and Diverse Wavelength Services. Wavelength Services offer advantages to carrier and service provider customers looking for a low cost alternative for extremely high volume bandwidths at 2.5 Gigabit speeds and above. MAINLight Wavelength Services enable carriers and service providers to benefit by saving the costs associated with deploying their own optronics on dark fiber.In a separate release:Sigma Networks, Inc., today announced comprehensive deployment of Cisco optical networking equipment throughout its Metro Area Interconnect Networks (MAINs). This first of its kind network provides a neutral interconnection fabric for Internet backbone providers, Internet access providers, broadband access network providers, and hosted application providers in metro markets. By utilizing this MAIN architecture with Cisco's advanced metro dense-wavelength division multiplexing (DWDM) products along with its market-leading metro optical transport platforms, Sigma Networks is delivering massive metro network capacity and multiservice flexibility to service provider customers in major cities of the United States. Sigma Networks Inc.