Clearspan® Product Overview R19 Aastra – 2740-0072014 Clearspan® is a Registered Trademark of Aastra Technologies Ltd. Page 59 of 93Figure 35. Web Collaboration "Green Meter" Screen Sample.The screen shown above summarizes some of the benefits and savings that have been affordedthrough the use of the Web Collaboration service.4.2.5 Business TrunkingBusiness Trunking, also called SIP Trunking, provides SIP-based network services to interconnectuser premises equipment (CPE) such as legacy PBXs or key telephone systems (KTS). Eachbusiness trunk represents a concurrent call or voice channel for premises equipment. Businessesrequire a certain number of trunks based on call traffic and the rate of oversubscription for theirCPE.Business Trunking is transport neutral and can be delivered through multiple types of access,including T1/E1, DSL, and Ethernet. A single integrated access device (IAD) is used to connect theaccess line to both user voice equipment and an Ethernet switch.Business Trunking provides a platform for personal and group enhanced services that can overlaythe feature-functionality existing premises equipment. These differ from TDM or other VoIP trunks.Enhanced services may include Unified Messaging, Find-Me/Follow-Me (Mobility), Virtual CallCenter, Interoffice Auto Attendant, Web Conferencing, and Voice VPN.Users can access and configure these services in real time through the CommPilot PersonalPortal. For multi-site businesses, overlay services can offer a consistent set of feature-functionalityto all users. These services can help to integrate multi-site operations and increase staff contacthours and mobility.The range of applications offered by Clearspan enables enterprises to offer an attractive migration.In addition to Business Trunking, the enterprise can overlay their existing PBX or KTS withenhanced feature-functionality and inter-office Voice VPN. When the CPE is scheduled for its end-of-life time, the entire enterprise can be converted to the Clearspan platform. All users, regardlessof application and throughout the transition, are managed in the same group with a common dialplan, feature set, and management interface.4.2.6 Clearspan Call CenterThe Clearspan Call Center solution provides customers with a highly flexible, feature-rich, fullyintegrated Automatic Call Distribution (ACD) and Call Center service that addresses therequirements of demanding business customers. The service includes simple hunting and queuingfor individuals and work groups to sophisticated call distribution and routing, conditionalannouncements, agent availability states, Interactive Voice Response (IVR), desktop clients, andmonitoring and reporting for more complex call center environments.