Cisco SPA509G 12-Line IP Phone

Cisco SPA509G, SIP and SPCP IP phone with display, 12 lines, PoE, 4xSIP, 2Port LAN Switch, without NT, 12 lines. Broadband audio, Supports up to two Cisco SPA 500S expansion modules for up to 64 keys. Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP). Power Supply Optional(PA100).