Voice%20over%20Internet%20Protocol

1
Voice over Internet Protocol

• The City of
• Hayward
• VoIP Project

2
Existing City Telephony System

• Existing Leased Centrex Service
• - Limited feature set
• - High monthly costs
• - Upgrades are not cost effective
• - Limited ability to administer
• - Costly to expand
• Existing Key-set Systems
• - Systems are diverse and not uniform
• - Some are legacy and costly to maintain

3
Factors Motivating Change

• Costs savings through technology convergence
• Technology advancements
• Strategic direction
• Shared infrastructure resources
• Leverage of existing Network
• System Management
• Flexibility

4
Benefits of VoIP

• Heterogeneous Network
• - Merging Data and Voice Networks
• - Rapid Return on Investment
• - Reduced Cost of Ownership
• - Reduced operating costs
• - Flexible architecture
• - Scalable as system grows

5
Benefits of VoIP

• Manageability and Administration
• - Flexible access to manage system
• - Feature management
• - Centralized administration
• - Statistics that allow for cost reducing
• - Database records
• - Detailed reports

6
Benefits of VoIP

• Reduced Costs
• - Leverage current infrastructure
• - Economy of scale
• - Mergence of Data Telephony networks
• - Direct inward dialing
• - Planned migrations
• - Choice for local and long distance carriers

7
What are the Cons

• Capital investment
• New technology
• The digital echo
• Quality of Service (QoS)
• Learning curve / staff development

8
The IP Telephony Solution
Analog Phone
Palm Pilot
PC Phone Client
IP BusinessPhone
Video
VoIP Compatible Router/Switch
Fax
H.323 Connections
IP Telephone
VoIP Server
Router
PSTN
WAN
9
Centrex versus VoIP

• Recurring Annual Costs
• (projected)
• Centrex
• - Cost to the City approximately 485 k per
  year.
• VoIP
• - Cost to the City approximately 100 k per
  year.

10
Capital Costs

• Per user costs
• - System is under 600 per seat
• Assumptions
• - Existing internal data wiring will be used
  for both data and telephony
• - Interconnection between sites is through data
  fiber
• 600,000

11
Overall System Benefits

• Provide enhanced services to 700 telephone users
  in 18 plus facilities Citywide
• Greater flexibility and reduced costs to support
  internal moves, adds, changes and expansion
• Opportunity to reduce operating costs through

12
Overall System Benefits

• Local centralized management and administration.
• Internal control and measures.
• Uniform expanded features throughout the
  organization.
• Scalable as needs increase.
• Increased reliability through local ownership.
• Potential reduced cost using multiple vendors
  for local and long distance connections.
• Detailed call statistics.
• Computer based remote management.
• Alarm reporting.
• Reduced caller ID costs.
• Automatic call forwarding.

13
Overall System Benefits

• Direct inward dialing.
• Flexible teleconferencing.
• Cordless operations.
• Hands free operations.
• Instant and varied notification.
• Consistent standards for equipment and
  technology.
• Positioned for future technologies to reduce
  risk and costs.
• Capitalize on existing infrastructure
• Enhanced data connectivity.
• Expansion of the Wide Area Network (WAN).
• Cost effective mergence of data and telephony
  technologies.
• Planned site migration.

14
The First Step

• Telephony Audit
• Refine system design and economic model
• Implementation Strategy
• Migration to premise based voice mail system
• Detailed Citywide dialing plan
• Site-by-site migration plan
• Training of City staff

15
Additional Thoughts

• Leasing is an option
• VoIP allows other low voltage systems to work in
  new ways
• VoIP will prepare the City for many new voice
  applications

16
VoIP Will Bring New Voice Applications

• Unified Messaging
• Unified Client
• Video Telephony
• Dual Mode Phones
• Conferencing
• Call Center
• E911
• MobilityManager
• Access to Network Applications from IP Phone

17
New Application Unified Messaging
Voice Mail
One Inbox
E-mail
Fax
One directory, one message store, one
infrastructure
18
New Application Dual-Mode Phones
ENTERPRISE
Call Manager IP-PBX
Cellular Operators Wireless Network
OUTSIDE
INSIDE
Cellular Network / PSTN
Enterprise Network
WLAN Access Points
IP Phones
Dual-Mode Phone 802.11b/g GSM
SCCP
CCX v3/4
Dual-Mode Phone works in either both Cellular or
WLAN networks
Dual-Mode Phone 802.11b/g GSM
802.11 Phones
19
The Next Steps
RFP closes on May 11th, 400pm Set up
committees for both technical and user
evaluation. Begin review of submitted proposals