IP TELEPHONY AT THE AUSTRALIAN CATHOLIC UNIVERSITY
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IP TELEPHONY AT THE AUSTRALIAN CATHOLIC UNIVERSITY A CASE STUDY. WIL DANIELS MANAGER, INFORMATION TECHNOLOGY SERVICES. Established 1991. Public University, Federal Funding. 10,000 Students. 1,000 staff. 6 Campuses. HISTORY of the University.

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IP TELEPHONY AT THE AUSTRALIAN CATHOLIC UNIVERSITY A CASE STUDY

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Ip telephony at the australian catholic university a case study

IP TELEPHONY AT THE AUSTRALIAN CATHOLIC UNIVERSITY

A CASE STUDY

WIL DANIELS

MANAGER, INFORMATION TECHNOLOGY SERVICES


Ip telephony at the australian catholic university a case study

Established 1991

Public University, Federal Funding

10,000 Students

1,000 staff

6 Campuses

HISTORY of the University


Ip telephony at the australian catholic university a case study

Yr 1993 - Campus wide networks. Bridged 10base 2 LAN.

Inter-State Campuses interconnected via 64K ISDN

to AARNET. Mixed IPX TCP/IP network.

Yr 1995 - Campus LAN upgrades. Switched 10mb Ethernet core.

Ethernet Cat5 Hubs at edge. Meshed Private 64K

ISDN/Frame Relay connecting Inter-State Campuses,

Standardisation on TCP/IP, NT.

Yr 1997 - Lotus Notes, ISDN Video Conferencing

Yr 1991 - No campus wide networks. Individual office networks.

10base 2 LAN, No WAN, IPX based networks.

HISTORY ACU Data Network

(Pre: IP Telephony)


Ip telephony at the australian catholic university a case study

Yr 1991 - Individual Campus based Key and PABX systems.

Inter campus calls via standard phone number.

Yr 1993 - All ACU sites integrated via Telstra Spectrum.

Unique telephone number plan for each campus.

4 digit number plan.

Yr 1998 - Introduction of Repartee Voice Mail and integration

with Telstra Spectrum.

Review of ACU Voice Strategy

HISTORY ACU Voice Network

(Pre: IP Telephony)


Ip telephony at the australian catholic university a case study

Approx $1.8million per annum on Voice with Telstra.

80% of voice traffic is inter-campus with 65% STD.

Ongoing problems with billing.

Difficulty in maintaining accurate Phone Directory information.

Long Add/Move/Change Lead times.

Key Factors for Reviewing Voice Strategy


Ip telephony at the australian catholic university a case study

$2.4m DEETYA Grant for Network Infrastructure upgrade

of ACU Data and Voice network.

Catalyst for Change

1998


Ip telephony at the australian catholic university a case study

Yr 2000 - WAN

34M Microwave to AARNET.

ATM WAN Transport.

Private ACU ISDN network decommissioned.

- LAN

Gigabit Ethernet Core

10/100M to the desktop

Cisco Works NMS

Yr 1999 - RFPs issued for WAN and LAN components

Selection of Vendors ATI and CISCO.

Data Network Upgrade


Ip telephony at the australian catholic university a case study

Private PABX network with Switched Permanent Circuits.

PABX with VoIP trunking.

- (Review of the CSIRO experience)

IP Telephony

Voice Strategy Options


Ip telephony at the australian catholic university a case study

Long distance telephone traffic to major Australian capital citiesvia VoIP over AARNet

Local area calls transferred from AARNet to CSIRO PABX, thenswitched to local PSTN

6,000 calls per working day

90% saving on call charges

Voice quality is high

Review of CSIRO Experience


Ip telephony at the australian catholic university a case study

Forecasted Cost savings of approx 600K per annum

Leverage of LAN/WAN investment

In house Adds/Moves/Changes

Platform for future services.

Confidence from CSIRO experience.

ACU IP Telephony Decision Criteria


Ip telephony at the australian catholic university a case study

CISCO AVVID solution. Total cost $634,000

1000 IP handsets . Cisco 7960

12 x Call Managers.

6 x Cisco 3640 ISDN Gateways

ACU IP Telephony Solution

CallManager

CallManager

IP WAN

Router/GW

Router/GW

End-to-End IP Telephony with Application Enablement


Ip telephony at the australian catholic university a case study

Migration from Spectrum to IP Telephony

- Number Portability

- PSTN Access/Numbering

- Service Transparency

IP Telephony Design Considerations

- Layer 2/Layer 3

- QoS

- Least Cost Routing

- Codec Selection

Voice Mail and Analog Device Support (Fax).

Contingency and Management

ACU IP Telephony Implementation Issues


Ip telephony at the australian catholic university a case study

Pilot - 3 months Dec 99 to March 2001

- 100 Handsets.

- Library Pilot Group

Full rollout - March 2001

- 1000 handsets

- Parallel IP Telephony and Spectrum systems.

Staff Training - May 2001.

Unity Voice Mail Rollout and Integration - May 2001

Full Replacement of Spectrum System with IP Telephony.

ACU IP Telephony Implementation History


Ip telephony at the australian catholic university a case study

VoIP technology can provide cost savings

Interface to Corporate address book, point & click dialing

Provides one stop interface to voice mail and email

Provides easy roaming facilities

STRATEGIC BUSINESS ADVANTAGES OF VoIP


Ip telephony at the australian catholic university a case study

Integration issues with some legacy Analogue equipment.

QoS issues must be identified and carefully designed for.

IP Telephony requires a major redesign of network infrastructure

Current network staff can support VoIP installation

Displacement of STD and ISD calls is key to savings

Payback periods are changing as carriers offer more competitivevoice tariffs

Caveats


Ip telephony at the australian catholic university a case study

Stephen Kingham, Project Manager and Consulting Engineer, IT CSIRO

Peter Cox, AVVID Systems Engineer, CISCO

Graeme Allen, Consulting Systems Engineer, CISCO

AARNET staff

CISCO staff

  • ACKNOWLEDGEMENTS


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