Specifications include, but are not limited to: Lewisville Independent School District ("LISD", "District") is requesting proposals to upgrade paging and bell systems at locations across the District. This request includes predefined paging and bell system packages, installation, other items, and a percent discount on other related products and services. The District anticipates implementing approximately 32 systems, with the possibility of additional other products and services depending on District needs. Installation services will be to install the predefined system packages in a turn-key fashion, and includes but is not limited to installation, configuration, testing, and all other costs to implement the predefined system package.