2. Siemens’ Definition of Unified Communications Unified Communications (UC) Solutions Focus On Embedding Communication And Collaboration Into Business Processes. This Increases Workplace Productivity And Effectiveness. UC Solutions Should Be Software-based, Open, Extensible And Support The Customer’s Choice Of Services. These Elements Are Controllable As Software Services, Or From The Customer’s Existing Business Application Software 90 Mobilit y Ema il IM Voi ce Video Conferencing & Collaboration Mobility Messaging IM, EM, VM Voice OpenScape Unified Communications Suite

3. Siemens’ UC Definition Continued… An Open, Non-Proprietary UC Solution Means A Real Forklift-Free & Migration- Free Integration Into Your Current Communications Infrastructure: – PBX (TDM or VoIP) Agnostic – Groupware Agnostic – EIM Agnostic – Web Conference Agnostic – Room-based Video System Agnostic – Built On A SOA Framework Why Rip & Replace When You Can Embrace & Extend Your Current Infrastructure? What Can Open Mean To Me?Voicemail (UM) Is NOT Unified Comm.

4. UC Customer Case Study Fortune 500 Global Manufacturer  OpenScape UC Voice (Replace PBX’s) - 42% Savings From Previous Communications Spend Through Circuit Consolidation, Standardization & Centralization - Two Geographically Dispersed Redundant Centralized Servers Replaced 13 Multiple Vendor PBX’s Also Provided Disaster Recovery  OpenScape HD Video (New) - Travel Expenditures Reduced Nearly 20%  OpenScape UC Application (New) - Conferencing Spend Reduced By 75% - Full-Spectrum Presence & Collaboration Ensures Tele-workers’ Productivity (30% Of Workforce) - Integrated Solution Inside Customer’s Existing CRM Tool For Enhanced Sales Effectiveness Teleworking $700K/yr. (UC Appl. = 6 months) Voice $2.6M (23 months) Conferencing $875K/yr. (UC Appl. = 6 months) Video $350K/yr. (14 months) Overall 5-Year Projected: $14.2M Savings w/ 16 mos. Payback Yearly Savings (Payback) By Solution OpenScape Voice, Video & UC Application Deployment 3,500+ Employees (16 sites)