The Unified Communications bundles combine, in a single part number, the Cisco Integrated Services Router (ISR) hardware platform, Cisco IOS Software features including routing and security, Cisco unified communications manager express for call processing, Cisco Unity express for voicemail and auto-attendant features, Cisco Unified Border Element (CUBE) for connecting to Session Initiation Protocol (SIP) telephony providers, and Cisco Unified CallConnector Personal Edition for Microsoft Windows desktop integration. These bundles make it easy for an SMB customer to order a complete Cisco Unified Communications solution.The Unified Communications bundles provide separate part numbers for customers that want to deploy advanced security features such as firewall, intrusion detection, and VPN along with the unified communications features. These choices give customers greater flexibility in security options for their network.This product includes 64-channel high-density packet voice/fax DSP module and AIM-CUE advanced integration module.