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.