1 Overview26 Nokia 105s Gateway Installation GuideSoftware RequirementsThe Nokia 105s gateway supports the following operating system andapplications: Nokia operating system software requirements—IPSO v4.1 or later Nokia Secure Access System (NSAS) 3.3.4 or laterFor information about updates to the software requirements or additionalapplications that have become available since this guide was published,contact your Nokia service provider, as listed in “Nokia Contact Information”on page 3.Product DisposalAt the end of its useful life, your gateway and all peripherals included with it,including power cords and cables, must be disposed of in accordance with allapplicable national, state, and local laws and regulations. These devicescontain materials and components that must be disposed of properly.Therefore, to help prevent damage to the environment, Nokia encourages youto dispose of these devices in an environmentally-friendly manner.The following resources are available to you to help with equipment-disposaldecisions: Many Nokia products are labeled with information about the materialsused in their manufacture that can help those who will process equipmentafter you have disposed of it. The Nokia web site (http://www.nokia.com) provides information aboutour environmental programs and practices, which includes details aboutmaterials used in manufacturing and end-of-life practices. You can alsofind your product’s Eco Declaration, which provides basic information onthe environmental attributes of the product covering material use,packaging, disassembly, and recycling. Contact your local waste management agencies for guidelines specific toyour area.