1 Copyright © 2002 ACNielsen a VNU company IP PBX System Overview & Benefits

2 Copyright © 2005 ACNielsen a VNU company How It Works – IP PBX & SIP phones SIP phones IP PBX server – talks SIP

3 Copyright © 2005 ACNielsen a VNU company How It Works – PSTN lines VOIP Gateway PSTN lines through: VOIP Service Provider

4 Copyright © 2005 ACNielsen a VNU company Benefits for the Business Owner Lowers call costs! – Use VoIP for international calls Calls between branch offices are FREE Lower up front cost of PBX Less expensive to buy & run Eliminate vendor lock in Cheaper to expand & add features Increased productivity of employees Offer employees mobility Retain staff and leverage staff in different locations

5 Copyright © 2005 ACNielsen a VNU company IP PBX Benefits for the User Mobility – Use extension from anywhere Increase productivity Integration with Outlook, CRM – agents can make up to 30 more calls per week Manage phone from Windows Easy to setup call forwarding, conferencing etc. Presence eliminates phone tag Saves several hours per week

6 Copyright © 2005 ACNielsen a VNU company IP PBX Benefits for IT Staff Adding and moving extensions easier Less time explaining how to use a phone Easy, web based administration Easier to manage Software, not a proprietary black box

7 Copyright © 2005 ACNielsen a VNU company IT Staff Benefits Quantified Each add, move takes 2 hours LESS -4.7 hours LESS support Per week / IT employee -4.7 hours LESS administration Per week from “Productivity and the IPC Business Case” Sage Research Inc.