IP Telephony101

1
IP Telephony 101

• What is it?
• How does it differ from what we already use?
• What are the pitfalls
• Whats in in for me?

2
What is it?

• The ability to converge networks to send voice,
  data, video or presence, to accommodate
  real-time, near real-time or non-real-time
  applications on the same network.

3
How does it differ from what we already use?

• TDM (Time Division Multiplexing) Circuit based
• IP (Internet Protocol) Packet based
• Whats the difference?

4
TDM vs. VoIP vs. IP Telephony

• TDM
• VoIP is just transport.
• Relatively easy
• IP telephony is applications enablement.
• Extending traditional business communications
  features to a converged world

5
What Are the Pitfalls

• Laissez Faire Attitude of IT Department
• 99 Uptime is Acceptable
• Voice is just another Data Application
• Who can break my phone
• No QoS in Network
• Some standards arent Standard

6
Whats in it for me?

• Fewer networking people are required to support
  the business requirements.
• It is easier to deploy new integrated
  applications.
• The cost of domestic and international calls
  between company sites will drop significantly.
• The ongoing cost of upgrading and maintaining
  traditional PBXs will drop significantly.
• The cost of moves/adds/changes will drop
  significantly.
• The cost of wiring will drop significantly
• Distance becomes almost immaterial

7
IP Telephony Drivers Translate intoClear
Enterprise Benefits

• Increase revenue
• Productivity From Faster Processes
• New Business Models
• Collaboration
• Reduce Cost
• Do More with Less
• Find New Cost Models
• Lower risk
• Investment Protection, Integrity, Continuity

8
IP Telephony Business Benefits

• Single network
• Provides a range of significant cost reductions
  management time, skills, MACs, circuits, LD costs
• Location transparency
• IP telephony provides infinitely long wires.
• Enabling new business models and topologies
• Increasing the speed of business change

• Branch offices, distributed small locations
• Speed of establishing new offices
• Business continuity
• Telecommuters, off-hours working
• Mobile workers, access to communications
• Virtual contact centers, at-home agents
• Globally distributed contact centers

9
Why Telephony over IP?

• 44 of U.S. businesses with more than 500
  employees have implemented IP telephone systems
• Virtual enterprise applications
• Remote workers
• Virtual call centers
• Business continuity configurations

Network World, 2/25/2002
10
IP Telephony Is Driving Growth
IP TelephonyProducts andServices
88
2003-2004 Global Growth Forecasts
IT Spending
5.0
GDP
IP Telephony Systems
IP Telephony Desksets
4
IP Telephony Services
Packaged software
Hardware
Services
11
IP Telephony Expansion
39.6
40M
Worldwide IP TelephonyLines Shipped (Millions)
32.7
30M
24.6
20M
17.0
8.8
10M
5.0
2.0
0.7
2007
2000
2004
12
IP Telephony Expansion Has a Long Way to Go
IP Telephony
500M
400M
Global EnterpriseTelephonyLines Installed
Traditional Key / PBX
2003
2007
2006
2005
2004
Proper Execution Helps Drive Rate of Adoption
13
Reasons for Deploying IP Telephony
14
Communications Enablement Far More Than Voice
Over IP

Beyond converged networks Converged
communications Converging communications
applications and business applications, to yield
greater value from networks, greater value for
the enterprise
15
The Real Promise of IP Telephony
Transforming Business Processes
IP Telephony is more than savings on telephone
calls between offices and simplified network
management Its value is summed up by one word
Transformation. Voice, deeply embedded into
the heart of a business process, has potential to
redefine the way we work, and create significant
new value.
Donald K Peterson, Chairman CEO, Avaya