Cisco Unified Communications 500 Series for Small Business (UC520) ?

Model - UC520-16U-4FXO-K9 The UC 520 is an all-in-one, simple, smart, and affordable unified communications solution designed specifically for growing businesses with 8 to 50 employees. Each configuration of the UC 520 is tied to a maximum number of supported users and includes relevant licenses for call control, voice messaging, and Cisco Unified IP Phones. Perfect for anyone studying CCNP (R&S, Security and Voice). Item can be collected or delivered for 25 http://www.cisco.com/en/US/products/ps7293/index.html http://www.cisco.com/en/US/docs/voice_ip_comm/sbcs/uc500/hardware/quick/guide/UC520_QSG.pdf