Exhibit 99.1

On-Demand Networks… Putting the Consumer In Control

Ensuring Profitable Transition to the IP Era

8th Annual Kaufman Brothers Investor Conference

September 7-8, 2005

Safe Harbor

Some of the information presented in this announcement constitutes forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements represent the Company’s judgment regarding future events, and are based on currently available information. Although the Company believes it has a reasonable basis for these forward-looking statements, the Company cannot guarantee their accuracy and actual results may differ materially from those the Company anticipated due to a number of known and unknown uncertainties, many of which the Company is not aware. Factors which could cause actual results to differ from expectations include, among others, capital spending patterns of the communications industry, changes in regard to significant customers, the demand for network integrity, the trend toward more fiber in the network, the Company’s ability to develop new and enhanced products, the Company’s ability to provide complete network solutions, continued industry consolidation, the development of competing technology, the global demand for the Company’s products and services, the Company’s ability to translate bookings into revenues, and the Company’s ability to complete and integrate acquisitions and achieve its strategic objectives. For additional information concerning these and other important factors that may cause the Company’s actual results to differ materially from expectations and underlying assumptions, please refer to the reports filed by the Company with the Securities and Exchange Commission, particularly the Company’s most recently filed Annual Report on Form 10-K.

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The Story of C-COR

1953 - 1960 - 1965 - 1970 - 1975 - 1980 - 1985 - 1990 - 1995 - 2000 - 2005

Influence Innovation Integrity …

The Founders Era – Pioneering Communications

• Early leaders – John McLucas, Jim Palmer

• Community Engineering was first name, then C-COR

• Product innovations – first cable powering systems, use of integrated circuits, heat fins

The Expansion Era – Exploring Communications

• Industry moves from rural to the cities

• Bandwidth expanded for new video services

• First with expanded warranty on amps

• Broadband LAN amps for Fortune 500 companies

• C-COR IPO, Nasdaq listing

The Digital Era – Advancing Communications

• New leadership – Dick Perry

• Shipped first fiber optic products

• Further bandwidth expansion – 1 GHz

• Global expansion – European products

The Era of Integrity – Integrated Communications

• Current leadership – Dave Woodle

• New vision, new strategic plan

• 14 acquisitions in 6 years

• “Meeting the demands of an on demand world”

High integrity solutions for IP services of voice, video and data

Totally Integrated Network Solutions

Introduction to C-COR

Founded in 1953

Approximately 1,500 employees Traded on Nasdaq (1981)—CCBL Home page at www.c-cor.com Global HQ: State College, PA Operational Installed product base –over $3.5 Billion We have deployed approximately 300 software systems

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C-COR Vision

Leading network operators through the transition to the on-demand IP era, C-COR leverages a dedicated global workforce that delivers complete, interoperable solutions for lowering risk, increasing profit and confidently managing change.

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Global Footprint

C-COR OFFICES

C-COR PARTNERS

Global Footprint

TORONTO ONTARIO

CANADA

STATE COLLEGE PA

(CORP HQ)

BEAVERTON

OREGON

SUNNYVALE CALIFORNIA

LAKEWOOD COLORADO

TIJUANA MEXICO

MEXICO

CARIBBEAN/ CENTRAL AMERICA

NASHVILLE TENNESSEE

CHILE

ARGENTINA

BRAZIL

SWEDEN

NORWAY

ALMERE NETHERLANDS

WALLINGFORD CT

LONDON UK

LOUVIERS FRANCE

LISBON PORTUGAL

MADRID SPAIN

SWITZERLAND

SLOVENIA

HUNGARY

BULGARIA

ISRAEL

ITALY

SERBIA

ROMANIA

QATAR

U.A.E.

SINGAPORE

MALAYSIA

INDONESIA

MELBOURNE AUSTRALIA

NEW ZEALAND

BANGALORE INDIA

VIETNAM

NEW DEHLI

INDIA

LUXEMBURG

BELGIUM

FINLAND

MAINZ GERMANY

KLAGENFURT

AUSTRIA

MOSCOW RUSSIA

POLAND

CZECH REPUBLIC

SLOVAKIA REPUBLIC

LITHUANIA

RUSSIA

SEOUL KOREA

TOKYO JAPAN

SHANGHAI

CHINA

CHINA

TAIWAN

HONG KONG

PHILIPPINES

C-COR OFFICES

C-COR PARTNERS

Global Installed Base: Access & Transport

> 15%

< 10%

< 10% $3.5 BILLION

< 10%

> 50%

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Global Installed Base: Access & Transport / Solutions

> 15%

< 10%

< 10%

> 50%

< 10%

Content Management - 231 sites

Service Assurance - 45 sites

Subscriber Fulfillment - 42 sites

Workforce Management -17 sites

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Global Customers

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Future Broadband Multi-media Market

Broadband subscribers will require

On-Demand Pay as you use Integrated media Flexibility, value

Networks (infrastructure) and services (content) will be decoupled Optics will continue to move closer to the user in order to meet bandwidth demands Back office automation will be required Technology will be open, digital, IP based

Worldwide digital TV household forecast

(m)

350.0 300.0 250.0 200.0 150.0 100.0 50.0 0.0

2003 2004 2005 2006 2007 2008

Western Europe Asia Pacific North America

Source: Strategy Analytics, 2004

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WW OSS Solutions Revenue ($)

350 300 250 200 150 100 50 0

2003 2004 2005 2006 2007

Source: Kinetic Strategies, 2003

ROW Rev NA Rev

NA VoIP Subs (m), Penetration Rate (%)

12

10 8

6 4

2 0

2003 2004 2005E 2006E 2007E 2008E

35 28 21 14 7 0

VoIP Subs VoIP Pen

Source: Company Reports & WSSO Estimates, 2005

US Cable TV HH, Digital Penetration Rate (%)

2003 2004 2005E 2006E 2007E 2008E

80 78 76 74 72 70

50 45 40 35 30 25 20

Tot Us Cable HH Digital Pen Rate

Source: NCTA & WSSO Estimates, 2005

Advertising Revenues

(In $ Millions)

Regional Cable Spots Local Cable Spots Netw ork Cable

40000 35000 30000 25000 20000 15000 10000 5000 0

2000 2001 2002 2003 2004

2005 2006

2007 2008 2009 2010

Source: Kagan Research, 2004

WW VOD Server Market Size ($m)

700 600 500 400 300 200 100 0

2004 2005 2006 2007 2008

Source: FBR & ABI Research, 2003

ROW Europe NA Cable

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The Consumer Is In Control

Converged IP networks have forever altered our customer’s world and the consumer experience.

Our customers are improving the way consumers work, communicate and enjoy entertainment.

What services they use: VOD, VoIP, HDTV, HSD, gaming, shopping, music How they use the services: home and office networks, VPN, wireless When they use the services: shop at midnight, email family/colleagues day or night anywhere in the world, play games 24/7 Where they use the service: at home, at work, when traveling

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Strategic Plans Actions

RF Products

Optical Products

RF Products

Tech Services

Service Management S/W

Optical Products

RF Products

Workforce Management

International Footprint

Tech Services

Service Management S/W

Optical Products

RF Products

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Revenue Mix, 1998 vs. 2004

FY98

4%

8%

88%

FY04

23%

31%

46%

8% CAGR

Revenue (m) $300

$250

$200 $150 $100

$50

$0

1998 2004

+47% CAGR

+33% CAGR

-3% CAGR

S/W & Services Optical Products

Radio Frequency Products

Implemented successful Phase I of our Strategic Plan

Diversified product base Diversified customer base

Grew revenues in reduced capital environment

Achieved 20 cents in quarterly EPS in December ‘03

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Strategic Plans Actions

2004

RF Products

Optical Products

RF Products

Tech Services

Service Management S/W

Optical Products

RF Products

Workforce Management

International Footprint

Tech Services

Service Management S/W

Optical Products

RF Products

PON

GigE Transport

Workforce Management

International Footprint

Tech Services

Service Management S/W

Optical Products

RF Products

Service Activation

Capacity Management

PON

GigE Transport

Workforce Management

International Footprint

Tech Services

Service Management S/W

Optical Products

RF Products

IP Video Processing

Content on Demand

Service Activation

Capacity Management

PON

GigE Transport

Workforce Management

International Footprint

Tech Services

Service Management S/W

Optical Products

RF Products

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C-COR Strategic Direction

Leading the Profitable Transition to the IP Era . . .

The Internet and converged IP networks have forever altered our customer’s world and the consumer experience

Service providers must deliver new, cost-effective services that improve people’s ability to work, communicate and be entertained (high-speed data, voice over IP, on-demand video and more)

C-COR is simplifying the operators’ transition by providing interoperable, IP-based solutions that help put consumers in control by:

Enabling with Infrastructure for high integrity

Facilitating with Global Expertise

Simplifying with Innovative OSS

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Multiservice Network Today

Broadband and telecom network operators must capitalize on emerging IP, on demand services for next era of recurring, profitable, predictable revenues

Operational Silos

Different Protocols Multiple, Separate Management Systems Wasted Bandwidth Difficult to Manage Fractured Measurement and Reporting

Complexity Hinders Competitiveness

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Multi-Service Network with C-COR

Enables a greater range of new services for homes and businesses

Integrated Services and Network Management

Everything IP… Everywhere Single Transport Platform Efficient Bandwidth Utilization

Easy to Manage

Increased Operational Savings Simplified management tools

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Access and Transport for the On Demand World

Provide Simplicity, Connectivity, Interactivity and Mobility to Operators seeking the next generation converged IP platforms for video, data and voice services.

1 GHz access platform that extends the network capacity and unifies legacy access platforms.

One network for wired or wireless interface for residential and business customers whether IP applications are Video, Data, Voice.

One IP transport platform that integrates RPR scheduling, security and resiliency features with high capacity VOD, VOIP transport.

All supported by common provisioning, monitoring and management software from source to subscriber.

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Flow Networking for Packet Optimized Transport Networks

Enabling the flexibility of IP and QoS of ATM at the price/performance/simplicity/transparency of Ethernet

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Management Solutions for the On Demand World

Deliver solutions that enhance customer revenues and manage operating expenses while providing outstanding customer service

Enhance the top-line using VOD, Ad Insertion, and bandwidth on demand Improve the bottom line by using Fulfillment, Assurance, and Workforce

Simplify complex delivery and manage advanced services with open architecture and interoperable software solutions Replace silos with comprehensive, scalable, and reliable solutions that provide maximum visibility into content, workforce and infrastructure

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OSS Interfaces

Customer

Content

Network

Workforce

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Evolution: From Silos to Integrated Services On Demand

Residential

Set-top Box

Residence / Small Business

Cable Modem MTA Set-Top Box

Yesterday

CSR e-Mail Web

Billing

OSS

On Demand

Advertising

Add/Remove Service

Billing Inquiries Change Address Product Inquiry Payment

Service Requests

Field Service Mgmt

Inventory Mgmt

Trouble Mgmt

Capacity Mgmt

Workforce Mgmt

Network Mgmt

Tomorrow

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OSS Solutions

Customer Fulfillment

Subscriber Management Service Activation

Content Management

Distribution Management Asset Management

Workforce Management

Dispatch/Management Support/Tools

Service Assurance

Health/Status

Capacity Management

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Improved Customer Satisfaction – Challenges

Customer Fulfillment

Complexity of Operations

“Swivel Chair” view of operations

Security and Fraud

Legacy system “silos”

Dynamically optimizing service tiers

Put the consumer in control

Various policies to enforce

Content Management

On Demand

Complexity and cost of operation

System integration and third party interoperability

Management of large volumes of content

Transition to digital program insertion

Enhance ad revenue through the transition

Lower costs

Service Assurance

Network Service Manager

Disparate views of network and service status

Tracking complaints to failures

System failure impact on subscribers

Isolation of faults to unmanaged devices

Reactive rather than proactive resolution

Workforce Management

Efficient management of service operations

Streamlining processes

Improving productivity

Cross functional technical support

Increased customer demands

Growing support costs

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Integrated Services Management—Solutions

Customer Fulfillment

Intelligent service and subscriber management

Eliminate the Silos!

Faster service activation

Efficient resource utilization

Secure access to IP services

Common policy management

Content Management

Managing all aspects of On Demand

Choice and flexibility

New revenue from On Demand advertising

Real-time reporting

Exceptional Reliability and Support

Scalable digital ad insertion solutions

Flexible management system

Low cost per channel

Service Assurance

Proactive management of the entire service delivery infrastructure

Empower customer service representatives with real-time information

Identify and resolve high impact customer

Expert bandwidth management

Optimal traffic flow recommendations

Workforce Management

Maximizing the potential of your mobile workforce

Empower technicians

Reduce truck rolls

Efficient dispatch

Proven ROI

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C-COR Solutions Metrics

Enhance top-line revenues

VOD average growth 16% through 2010 Advertising revenues to reach $21B this year

Improve bottom-line return on investment

Assurance

5-10% reduction of CSR contacts

7-12% reduction in truck rolls

5-15% OpEx reduction

Workforce

Up to 2 additional work orders per day / per tech

Calls to dispatch reduced by 75+%

Reduces late appointments up to 70%

Reduces repeat TC calls up to 80%

Payback in as little as 12 months, with most customers under 21 months

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C-COR Transition Summary

Prior

S/W & Services

North America Customers

RF Amplifiers

Narrow Product Offering

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C-COR Transition Summary

Prior During

Expanded Customer Base

NETWORK

OSS

CABLE SERVICES

HFC TRANSPORT

Bundled Solutions

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C-COR Transition Summary

Prior During fter

Balanced global customer base

Sound Business Model

Highest growth expected from highest margin products Global infrastructure in place to support growth in business volume Operating leverage to amplify bottom line growth as topline increases

Diverse service provider solutions

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Quarter Update

Enterprise Agreements

Mediacom turn-key Katrina impacts

Nationwide Mobile Workforce Management contract

Cash Flow Management

Inventory build-up in Q4

Finalizing Adelphia pre-petition trade claim for >$10M

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C-COR Summary

Global leader building upon 50 years of experience

Proven ability to make strategic moves

Positioned for next 5 + years of IP service roll-out

Quality transport solutions that combine the flexibility of IP with the QOS of ATM

Deliver solutions that enhance customer revenues and improve the bottom line.

Meeting the demands of an on demand world.

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