1. Protection notice / Copyright notice Siemens Enterprise Communications Marcus Birkl VP Sales HiPath Wireless Enterprise Systems Global Press IT Summit November 2006, Monterey, California Open Mobility Solutions

2. Page 2 © 2006. All rights reserved. Siemens Enterprise Communications CIO Priorities for Enterprise Mobility Today  Improving productivity79%  Improving cost savings 73%  Securing mobile and wireless devices 49%  Increasing spending on wireless networking and mobility 48%  Overall, making the enterprise more adaptive, flexible and faster 46%  Reducing operating costs 44% Source:CIO Insight Magazine Top Trends 2005 Special Report “Enterprises are searching for a strategic enterprise- wide solution to address their rapidly growing mobility requirements. Responding to application point solutions is no longer enough…“ Eugene Signorini VP Enterprise Applications and Mobile Solutions Yankee Group.

3. Page 3 © 2006. All rights reserved. Siemens Enterprise Communications Wireless Technologies Overview There is currently no alternative to IEEE 802.11 WLAN IEEE 802.16 WiMAX  Limited availability in buildings  In most countries licences heavily limit bandwidth (ca. 80 Mbit/s per base station)  Non-licenced bands have similar power limitation as WiFi -> no advantage in coverage  Full mobility only in 2008 (802.16e) 2nd Generation WLAN 2 nd generation Wireless LAN / IEEE 802.11  To be deployed in buildings as well as outdoors  Mobility of up to 60 km/h feasible  Smooth roaming/handover across Access Points  Up to 540 Mbit/s in 2007 (802.11n) 3 rd generation cellular / UMTS  Limited availability in buildings  Comparably low data rates (typically 384 kbit/s per base station)  HSDPA can extent data rates to 14 Mbit/s per base station

4. Page 4 © 2006. All rights reserved. Siemens Enterprise Communications Mobile Enterprise Requirements A unified user experience & universal access to services Universal Access Fixed networks Mobile networks Enterprise networks Teleworking HomeOn the goHotspotOffice Everywhere- availability Airports On-campus mobility

5. Page 5 © 2006. All rights reserved. Siemens Enterprise Communications  Best-in-class VoWLAN With HiPath Wireless  Dual-mode Solution With Leading Handset Vendors  Seamless Handover Between WLAN & Cellular  Consistent Enterprise Feature Set  ONE Mailbox, ONE Directory Comprehensive Enterprise FMC Roadmap From VoWLAN to Dual-mode to Seamless Roaming

6. Page 6 © 2006. All rights reserved. Siemens Enterprise Communications Open Communications and Enterprise Mobility Siemens Introduces Open Mobility Solutions User Driven Mobile Solutions Strategic Enterprise Mobility Value Time Siemens “Open Mobility Solutions” The Challenge:  Users are demanding mobile point solutions  CIOs need an enterprise mobility strategy Yesterday’s Response:  User Driven Mobile Point Solutions  Other Vendors focus on  Network Integration & Features  Data Capture devices The Result: The “mobility mess” Siemens Launches… Open Mobility Solutions  Enterprise-wide Foundation for Mobility  A Global Ecosystem for Open Mobility Solutions The Results:  Faster and more accurate business processes and decision making  Substantial cost savings  More agile & competitive organization

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