1. Network of Possibilities AT&T VPN MPLS Ethernet Intellectual Property NI and Consulting

2. MPLS Networking The Foundation for Convergence
From To
Multiple, Separate Networks
Common, Global IP Network HQ
Corp sites HQ
Remote Worker
VPN
VPN
VPN
FR/ATM
Voice
Network Convergence
MPLS IP
Infrastructure
VPN
VPN
Private
Line
Internet
Remote Worker
Managed Services
End-user
Business Partners
Corp sites
© 2009 AT&T Intellectual Property. All rights reserved.

3. AT&T VPN Service Overview
Customer Access
The Internet FR
Ethernet
Firewall
ATM
AT&T POP
AT&T MPLS Network IP
DSL
Benefits
Application awareness
Scalability
Agile, reliable, flexible any-to-any connectivity
Easy access to reporting / tools
Industry-leading Service Level Agreements
Meshed network with Class of Service

4. AT&T VPN Standard Elements
Superior Security and Network Management
Industry-Leading Network Reliability, Performance, and Low Latency
Multiple access methodologies supported, including Ethernet, SONET Ring, Dedicated Private Line (TDM), DSL, NNIs, and Wireless
AT&T BusinessDirect
BD Map
e-Maintenance to create and track trouble tickets
e-Ordering (planned for future release)
Performance Reports
Port-based Pricing – speeds from 56Kb to 1Gb
Service available to 201countries; others with I-LLE, Layer 2 NNI, or satellite access.
Flexible Billing Options
Technical Design Support and Project Implementation
Global Network Monitoring and Management

5. Class of Service Prioritizing your traffic using AT&T VPN
Class I: VOIP
Class IIv:
Video
Class II
SAP, Oracle
Applications
Class III
Web
Traffic
Class IV ,
FTP
Class V:
Scavenger
Router Sets CoS
MPLS Enabled Network
Traffic Flow
Provider Edge Router Reinforces CoS Traffic at Ingress
Provider Edge Router Acts on CoS Traffic at Egress
© 2009 AT&T Intellectual Property. All rights reserved.

6. Additional AT&T VPN Information
AT&T VPN Options
Unilink
Multicast
Hub & Spoke VPNs
Route Groups
IPv4/v6 Dual Stacking
Diversity and Resiliency Arrangements
Managed CSU-Probe w/Enhanced Reports (US only)

7. AT&T Ethernet Wholesale Solutions
What’s Important to You
Extending Network Reach
Intensifying Operational Efficiency
Improving the Customer Experience
SOLUTIONS
Metro Data and Access Services
AT&T's extensive domestic footprint, combined with our new low cost structure, enable us to offer a portfolio of end-to-end data transport solutions that allow wholesale customers to increase their operating margins while passing savings on to their end users at more affordable prices than ever before
Long Haul Data Transport and Access Solutions
Improve network effectiveness with AT&T metro data services, which offer a full portfolio of end-to- end, reliable and highly secure data options to support the capacity needs of our wholesale customers. Local-to-global network infrastructure lets customers combine their Metro Data Services and Long Distance Data Transport services for a complete service solution 7

8. Carrier Ethernet Arrangements Access and Network Solutions for Metro and Wide Area
One Site
E-Access
Access through the local facilities to long haul VPN and Internet
MSA E
Internet
VPN
Two Sites
E-Line
Ethernet Point to Point using the Ethernet framing for data transport
MSA E
Virtual
EVPL
Dedicated
EPL
Three or More Sites
E-LAN
Virtual Private LAN Service
Multi-point irrespective of distance
MSA E 8

9. AT&T National Ethernet Coverage LANs, MANs and WANs
Widely Available
Local Ethernet footprint in 22 states
Additional Access in over 50 cities (out of footprint)
Wide Area Ethernet options as Private Line and VPLS
Access to WAN Services
Ethernet Access to AVPN
Ethernet Access to Managed Internet Service
Ethernet Private Line Service-WAN
Ethernet access available in 39 countries
*Specifics concerning the vision for future development are subject to change. This is not a timeline or a commitment to deploy any specific product, technology or feature
Broad Metro Ethernet Deployment
360+ metro markets
750+ switches deployed
Largest volume of ports in service
Market leader in mid-band Ethernet (EoCu)
Strong National Ethernet Coverage
265 LD Ethernet POPS in 169 LATAs
23 Out-of-Footprint Suppliers with 36 Services
LNS in 50 cities out-of-region
Over 99% bid-rate 9 9

10. OPT-E-WANsm Global Coverage Expanding Service Around the World
Asia
Singapore
Hong Kong (2 POPs)
Japan
Taiwan
South Korea
Malaysia
Philippines
North America
Europe
Pacific
UK (3 POPs)
France (2)
Germany (3)
Italy
Spain (2)
Portugal
Belgium
Ireland
Czech Republic
Poland
Slovakia
Hungary
Denmark
Austria
Switzerland (2)
Netherlands (2)
Sweden
Finland
Luxembourg
Bulgaria
Estonia
Lithuania
Latvia
Norway
United States (269 POPs 23 suppliers, 36 services)
Canada (3 POPs)
Mexico (3)
Australia (2 POPs)
New Zealand
Africa
South America
South Africa
Brazil
US and 37 Countries Worldwide
46 POPs Worldwide allow for additional diversity
10 countries have >1 POP for diversity
18 unique suppliers 10

11. Access to Wide Area Ethernet and Layer 3 Services
Switched Carrier Ethernet – Metro Virtual Private Local Area Network (E-LAN) – IntraLATA & Access
Quality Control 10/100 Port 10Mb CIR
Manufacturing 10/100 Port 20Mb CIR
Warehouse 10/100 Port 10Mb CIR
R&D 10/100 Port 100Mb CIR
Regional Corporate HQ 1Gb Port 250Mb CIR
Manufacturing 10/100 Port 100Mb CIR
SWC
Switched Ethernet
Access to Wide Area Ethernet and Layer 3 Services
Features
Benefits
Single Platform supporting
Ethernet Virtual Private Line (EVPL)
Ethernet Virtual Private LAN (E-LAN)
Pt-to-Pt, Point-to-Multipoint (hub & spoke) and Any-to-Any
2 Mb to 1000 Mb speeds with support for
Multi-cast and broadcast
4 CoS based on 802.1
Ethernet over Copper options
Industry-Leading SLAs
MEF-certified
Carrier grade Ethernet for consistent experience
Several available speed choices
Can be configured several ways
Combine E-Line and E-LAN on the same network
Choose your level of service
Available in 22 states
The agility to change speeds and locations as needed
Diversity options for more network protection 11 11

12. Switched Carrier Ethernet – Wide Area Virtual Private LAN Service (E-LAN, VPLS) – Any Distance
Chicago
Brussels
Seattle
AT&T
Global MPLS
Network
NYC
OPT-E-WANsm
Atlanta
Los Angeles
Sydney
Features
Benefits
Single Platform supporting
Ethernet Virtual Private Line (EVPL)
Ethernet Virtual Private LAN (E-LAN)
Pt-to-Pt, Point-to-Multipoint (hub & spoke) and Any-to-Any
2 Mb to 1000 Mb speeds with support for
Multi-cast and broadcast
4 CoS based on 802.1
Ethernet over Copper options
Billing options for domestic & MOW in country in currency
Industry-Leading SLAs
MEF-certified
Carrier grade Ethernet for consistent experience
Several available speed choices
Can be configured several ways
Combine E-Line and E-LAN on the same network
Choose your level of service
Available in US and 32 Countries (POPs in 46 cities allow diversity)
The agility to change speeds and locations as needed
Broad coverage provided by AT&T Global MPLS Network
Diversity options for more network protection 12 12

13. AT&T Switched Ethernet Services Working Together…
OOR Cell Site
Financial/Bank Data Center 1G port 100Mb CIR
Manufacturing 10/100 Port 20Mb CIR
R&D 10/100 Port 100Mb CIR
NYC
London
Cellular MTSO 10Gb Port
WAN
WAN
Metro
OPT-E-WAN
Carrier Ethernet
Carrier Ethernet
Carrier Ethernet
SWC
Hong Kong
Warehouse 10/100 Port 10Mb CIR
AT&T Local Ethernet Services
Financial/Bank Site 10/100 50Mb CIR
Manufacturing 10/100 Port 100Mb CIR
Access to
Layer 3 Services
Client Needs
A high-speed, highly reliable network that allows connection of locations together where ever they are
Technology Solution
OPT-E-WANsm service as “single solution”
OPT-E-MANsm and Metro-Ethernet for local data solutions in the U.S.
OPT-E-WANsm service for connection to existing OPT-E-MANsm Metro-Ethernet services
Business Value
Single network, single vendor solution to meet domestic and global growth

14. Why AT&T Ethernet Services?
Meaningful Innovation
Investing in the future
Broad global footprint
VPLS is an all Ethernet solution
Why AT&T Ethernet Services?
Responsive Control
Easy integration of services over IP
Ease of migration and hybrid networking
Helps provide operational control over routing protocols
Predictive Security
Private addressing for data transmission security
24 hour a day, 7 day a week network monitoring
Increased Agility
Comprehensive platform for integrating applications quickly
Complementary layer 2 and layer 3 solutions
Multiple speed, management and access options
Enhanced Performance
Consistent application deployment and scaling globally
Industry leading service level agreements
E-LAN and E-LINE Services can share the same network platform

15. AT&T Intellectual Property

16. AT&T Intellectual Property & Licensing
AT&T Intellectual Property (IP) is one of the world's largest intellectual property operations:
One of the strongest patent portfolios in the telecom industry with over 9,000 patents
Consistently ranks in the top 25 companies each year in obtaining new U.S. patents.
A heritage of innovation that dates back more than a century to Alexander Graham Bell.
Together with AT&T’s IP Licensing and Sales group, we are now offering select technologies and best practice knowledge for licensing to qualified companies.

17. AT&T Technologies Available for Licensing
Mark the Spot MTS combines Smartphone applications with back-end analysis tools that engage customers to help AT&T to achieve better mobile network performance, increase customer satisfaction, reduce churn, and provide insight to network planners to optimize network investments. Copper Conditioning A step-by-step guide and set of recommendations for Outside Plant personnel for conditioning copper-based, voice- grade networks to support Very-high-bitrate DSL (VDSL) that is needed for IP-Video deployment. Based on the learning and knowledge of experienced AT&T copper-conditioning experts, gained over the last six years with the deployment of U-verse® , AT&T’s award-winning IPTV service. WAMS WAMS (Winton Application Management System) is an IPTV application designer’s tool kit that allows non- technical people to create and launch a variety of multimedia IPTV applications and channels providing in-depth drill-down to rich information that surrounds an event, movie, show, etc. Handles IPTV app testing, release and ongoing live data management feeds (in conjunction with Microsoft Mediaroom™) for in-home, office and mobile IPTV. Includes pre-built applications developed by AT&T and proven on our U-verse® IPTV Service. Obtaining related 3rd party data feeds are the responsibility of licensee. JoinIn A complete mobile teleconferencing solution, including a Smartphone application for on-demand conferencing with no PC’s or prior conference arrangements needed. An advanced backend VOIP and SIP-enabled applications that coordinate with JoinIn’s appealing client front-end. JoinIn offers the potential for providers to add a premium service that increases value to the consumer and drives new revenue.

18. AT&T Consulting and NI

19. AT&T Consulting and Network Integration Services
Driving costs out of your business, boosting your organization’s efficiency and improving time to market for new applications and business solutions are critical to the success of your company.
Let AT&T’s team of highly skilled consultants apply innovative thinking and high powered technology to architect a plan of action and discover the value of solving your most challenging business issues. 19

20. AT&T Professional Services
Enabling customers to build a solid foundation for greater velocity by increasing agility, enhancing levels of business performance, providing reliable security and responsive control options to enable business innovation and long term success
Core Capabilities
Consulting
Network Integration
Build & Integrate Customer Networks
Multi-carrier solutions
Custom Managed Services
Application Services
CPE Fulfillment, Staging, Installation and Maintenance
Plan, Architect, Integrate, Optimize
Advanced Networking
Convergence, Contact Center
Secure Networking and Integration