1. Inter-Carrier Wide-Band ITExpo LA, California Wednesday, September 2, 2009
Presented by Neutral Tandem John Butz Neutral Tandem Work: +1 (312) Mobile: (312) Web site: 1

2. Presentation Contents
Neutral Tandem Introduction
Inter-Carrier HD Challenges
Addressing Inter-Carrier Issues
Open Discussion
Neutral Tandem Confidential

3. Neutral Tandem Market Coverage
118 operational markets as of Q3’09 including 93 of the top 100 MSAs
We cover 73% of the US population
We cover 83% of competitive mobile and competitive landline numbers
Spokane
Portland
Eugene
Boise
Sacramento
Reno
San Francisco
Fresno
Las Vegas
Los Angeles
Salt Lake City
Colorado Springs
Albuquerque
Denver
San Diego
Phoenix
Tucson
Oklahoma City
Tulsa
Little Rock
Dallas
Austin
San Antonio
Lafayette
Jackson
Birmingham
Mobile
New Orleans
Gainesville
Tampa
Ft. Myers
Orlando
Jacksonville
Charleston
Atlanta
Greenville
Columbia
Puerto Rico
Kansas City
Omaha
Des Moines
Springfield
St. Louis
Memphis
Nashville
Knoxville
Louisville
Bloomington, IN
Indianapolis
CHICAGO
Minneapolis
Milwaukee
Detroit
Cleveland
Buffalo
Pittsburgh
Columbus
Cincinnati
New Hampshire
Boston
Albany
Rhode Island
Connecticut
New York
New Jersey: Camden Newark
Atlantic City
Philadelphia
Baltimore
Washington D.C.
Richmond
Raleigh
Charlotte
San Luis Obispo
Bakersfield
Savannah
Waco
Corpus Christi
Brownsville
Scranton
Altoona
Green Bay
Headquarters and NOC
Operational
Planned for Development
Houston
Miami
Seattle
We plan to add another 30 markets in 2009
We do significant business with wireless carriers (north of 60%)
We view wireless as a strategic focus area for the company

4. Neutral Tandem Network Reach
Operator 2
Operator 1
Operator 3
Operator “n”
Operator 4
Market 2
Market 1
CLEC
Cable MSO
Traditional Fixed
MNO
Market “n”
VoBB
Market 4
Market 3
Network Reach and Scale
118 Markets
450 Million “On-net” TNs
1900 Class-5 and MSCs
318 Incumbent Tandems
7 Billion Minutes/Month
Attached to this network are a number of key MSOs, CLECs, Mobile Network Operators, and VoBB players
After starting out with local transit service in various markets, we interconnected our markets using IP backbone and Sonus softswitching technology to extend our services to provide seamless national transit
The network essentially is one logical national IP-switch fabric. Intelligence is essentially deeply distributed as are ports
Architecture allows for a very unique routing schema.
The architecture is very flexible and amenable to target certain specific portions of this distributed

5. Neutral Tandem Services Overview
Local Transit Service (LTS)
Inter-Carrier within a LATA
National Transit Service (NTS)
Inter-Carrier Between LATAs
Intra-Carrier Between LATAs
Toll Free By-Pass Service (OCS)
Service for Originating Carriers
Tandem Bypass for Toll Free Service Routing
Revenue Share Arrangement
Long Distance Termination (TSA)
Service for LD Carriers to by-pass LEC access tandems price regime

6. Inter-Carrier HD Challenges
Inter-Connect Challenges:
Bi-Lateral Arrangements
Accomplishing Scale
SBCs
SIP Compatibility Issues
Settling / Clearing
Bandwidth / QoS / Call Quality
Authentication / Security
Regulatory / Access
No standards…multiple independent implementations
What were your issues?

7. Adjacent Solutions SIP Interconnection Existing Dial-Plans
One Connection: Broad Reach
SIP peering: Public or Private
Existing Dial-Plans
Customer Familiarity
No special directories
Network Routing
“Off-Net” Calls route wide-band to other HD carriers
High-Quality Network
Managed SIP Voice over IP Network
Future Path to Higher-Bandwidth
Multi-Service solution grows as your customers demands expand
Access to White Label Apps
Innovative, Web 2.0 Messaging and Voice Applications in Wide-Band
Inter-Carrier TelePresence
Inter-Carrier Video Calling
Inter-Carrier Wide-Band Calling
Inter-Carrier PSTN Calling

8. Thank You for the opportunity to speak today!