Cisco 2800 Series of integrated services routers intelligently embed data, security, voice, and wireless services into a single, resilient system for fast, scalable delivery of mission-critical business applications. The unique integrated systems architecture of the Cisco 2800 Series delivers maximum business agility and investment protection.This product is Cisco 2821 voice bundle with PVDM2-32 32-channel packet fax/voice DSP module, 64 MB Flash/256 MB DRAM, and Cisco IOS SP services.