NetVanta 7000 Series Release Notes R10.8.1 IntroductionCopyright © 2013 ADTRAN, Inc. 4IntroductionAOS version R10.8.1 is a maintenance release that also addresses customer issues that were uncovered inprevious code releases.This release is generally available code. Results obtained during internal testing have been evaluated andthe code has been determined to be ready for general availability. Caveats discovered during testing but notaddressed in this build are listed in Errata - System Management on page 10.A list of new or updated documents for this release appears in Documentation Updates on page 13.Configuration guides, white papers, data sheets, and other documentation can be found in the ADTRANSupport Community, https://supportforums.adtran.com. The contents of these release notes will focus onADTRAN’s IP telephony products.Supported PlatformsThe following platforms are supported in AOS version R10.8.1.• NetVanta 7100 – IP Communication Platform• NetVanta 7060 – IP PBXFor a list of the software and firmware requirements, refer to the table in Minimum Software or FirmwareRequired for Interoperability on page 6.To confirm the Boot ROM version of the ADTRAN unit, telnet or console to the unit and issue the showversion command. In the command output, the Boot ROM version will be listed as Boot ROM versionXX.XX.XX. If you require a Boot ROM upgrade, please contact ADTRAN Technical Support(support@adtran.com or 888-423-8726) for assistance.Hardware Requirements and LimitationsIn an effort to maximize customer experience, whenever possible and applicable, ADTRAN will advertisethe minimum hardware requirements for running the recommended software versions. While ADTRANstrives to support the newer software revisions on existing hardware, due to CPU, RAM, and otherhardware limitations, it may not always be possible. In such instances, customers are advised to upgradethe hardware (including phones, NetVanta 7000 Series chassis, and accompanying networking gear) whileupgrading their software, because performance issues and erratic behavior could cause certain productfeatures to become nonfunctional. ADTRAN provides field advice whenever possible in these cases.Resellers and customers are advised to periodically check with ADTRAN Technical Support and field stafffor these advisories, especially when upgrading to newer software revisions.NetVanta 7100 HardwareNew features included with any AOS release warrant some attention before use by the customers,specifically the choice of the hardware platform on which the new AOS version will be installed.There have been two revisions of NetVanta 7100 hardware. These are denoted by different part numbers:1200796L1 (older) and 1200796E1 (newer). Beginning with AOS release A2.04, ADTRAN does notrecommend using newer AOS versions on the older 1200796L1 units. These units continue to be field