Data Sheet© 2010-2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 1 of 3Cisco SPA500SExpansion ModuleHighlights● Easy to install, and designed exclusively for the Cisco® SPA 500 Series IP Phones● 32 programmable buttons simplify dialing and call transfers● Multicolored LEDs monitor the status of each configured voice line via Busy Lamp Field (BLF)● Two attendant consoles can be linked, for a total of 64 buttonsFigure 1. Cisco SPA500S Expansion ModuleProduct OverviewThe Cisco® SPA500S Expansion Module (Figure 1) is part of the Cisco Small Business Pro Series and designed foruse with the Cisco SPA500 Series IP Phones. It is an ideal solution for small businesses wanting to simplifyincoming call handling by quickly directing calls to the requested party and also to monitor line status from a centrallocation.The attendant console easily attaches to a SPA500 Series IP Phone, providing 32 programmable speed-dial ordirect station select (DSS) buttons, each illuminating the line’s status (idle, ringing, busy, or null) via the BLF.Incoming calls can immediately be transferred to the proper location with the push of a button assigned to theextension.The modular design of the Cisco SPA500S permits up to two attendant consoles to be deployed, for a total of 64buttons, offering an affordable solution that expands with the growth of your voice network. Installation and setup isjust a matter of connecting the supplied bracket and cable to the attendant console, which uses the phone’s powersupply; no additional power source is required.Based on the Session Initiation Protocol (SIP), the Cisco SPA500S has been tested to ensure comprehensiveinteroperability with equipment from voice over IP (VoIP) infrastructure leaders, enabling service providers to offercompetitive, feature-rich services to their customers.