citel. the voip migration company voip migration: the kiss principal in action – a case study...

Citel. The VoIP Migration CompanyCitel. The VoIP Migration Company

VoIP Migration: The KISS Principal in Action – A Case Study

Presented to

April 13, 2011

Presentation PreviewPresentation Preview

• Introduction• Case Study• Summary• Questions and Answers

Executive OverviewExecutive Overview

• Founded 1995 in Nottingham, UK as PBX software developer

• Two decades of engineering and development• Privately held US company• Global Presence; HQ Amherst, NY• Worldwide deployments • Partnerships with leading telecom software and

hardware companies such as BroadSoft, Avaya, Metaswitch, Tadiran, Asterisk, Shoretel, Mitel, Cisco, etc.

• Ireland – Economic Background:– As of 2008, ranked the 5th wealthiest country in

the OECD-28 rankings• A study by The Economist in 2005 found Ireland to

have the best quality of life in the world– High growth led to high levels of inflation,

particularly in the property market

• Ireland – Economic Background - contd:– Financial Crisis of 2008

• Collapse of Irish property bubble– Highest level of household debt in the world

• Economic growth declined dramatically• Bank Solvency

– Lending to builders and developers equaled 28% of all bank lending

• systematic risk of triggering an even more severe financial crisis in Ireland if they were to call in the loans as they fell due

Case StudyCase Study

• Irish Health System– Modern and reasonably efficient

– Every resident in Ireland is entitled to free public health coverage

• Two categories of coverage• Government financed;

– Funded by general taxation

• Subject to Government oversight


• Irish Health System - contd.– The Health Service Executive (HSE) manages the delivery

of the entire health service as a single national entity.

– Four HSE administrative areas


• Hospital• Constructed between 1988 and mid 1990’s

• One main building and number of smaller external buildings

• 537 beds– 474 in patient beds

• One of eight cancer centres of the HSE National Cancer Control Programme


• Hospital – Existing Phone System

• Existing PBX approaching EOL• E1 between Main Building and External Locations• 1100 plus digital handsets• 300 plus analog handsets• Approximately 190 miles of Category 3 cabling


• Hospital’s Telecom Issues– Existing PBX had reached EOL.

– Key Concerns for Replacement:• Cost• Handset Retention• Minimize Hospital Disruption• Maintain Existing Phone Features• Resilience / Reliability

Case Study – Customer OptionsCase Study – Customer Options

• Implement new Hybrid PBX / IP PBX using existing supplier– Pros:

• System Familiarity• Reliability/Availability/Security• Scalability

– Add new VoIP phones as capability expanded

– Cons• High Up Front Costs

– System very expensive

– Some upgrading required for IP side of things

• Ongoing PBX maintenance costs

Ian Gomm


• Implement Pure IP Telephony Solution – Pros:

• Reliability/Availability/Security– Some very well established names on market

• Scalability• Can duplicate PBX phone features

Ian Gomm


• Implement Pure IP Telephony Solution - contd

– Cons• Rip and replace is expensive

– New Cabling Required (190 miles) - Category 5 or 6 required;

– New IP phones:» Have to teach users how to use;» Call for phone retention;

– Power over Ethernet switches – High Up Front Cost

Ian Gomm


• Implement Multi-Vendor IP Telephony Solution – Two Options

• Option 1 – Use ADSL based wiring re-use devices• Pros

– Utilizes existing cabling, thereby reducing disruption and cost

• Cons– Requires IP phones and additional hardware

» Cannot use existing phones, have to upgrade to IP phones

Ian Gomm


• Implement Hybrid IP Telephony Solution – Two Options continued

• Option 2 – VoIP Gateways – connect to the ISDN interface on the legacy PBX

• Pros– Enables retention of existing phones and cabling

infrastructure

• Cons– Requires retention of an EOL PBX.

Ian Gomm

Main Objections to Possible OptionsMain Objections to Possible Options

Heavy Investment in Legacy Equipment and Cabling

Investment to rewire with Category 5/6 Cable Power over Ethernet (PoE) Switch Required Disruption of work environment while cabling

and PoE installed Investment cost of new IP phones Disruption of work flow as employees require

training on new functionality of IP phones


• Tadiran’s Coral Sea Softswitch and Citel’s Portico™ TVA™

– Diacom – Systems Integrator

• One of Ireland’s leading integrated solutions providers• 20 years experience in telcom• Works with all size of clients across voice, data, video and

emerging technologies• Customer base, who’s who in Irish business and public life,

including Irish Rail, An Garda Siochana, HSE, Greencore, University of Limerick, Fyffes, Department of Defence and The Defence Forces.

• Works with Nortel, Siemens, ShoreTel and Tadiran

Ian Gomm


• Tadiran’s Coral Sea Softswitch and Citel’s Portico™ TVA™

– Tadiran Coral Sea Softswitch• complete VoIP unified communications solution.

– real-time, fully distributed system

– built-in redundancy and fault tolerance.

– User-centric by design

» provides multiple applications to meet the changing needs of users while offering businesses of all sizes great flexibility in meeting their communications needs.

Ian Gomm


• Tadiran’s Coral Sea Softswitch and Citel’s Portico™ TVA™ – Customer Concern Resolution

• Cost – – No Need for IP Phones;– No Need to Upgrade Cabling– Minimal Impact on Workplace Prior to and During Rollover

• Handset Retention– SIP enabled existing Phones

• Maintenance of Existing Phone Features– Citel ensured that all existing phone features were mapped out

so switch over was simple and problem free• Resilience / Reliability

– Did not want a single point of failure so duplicate switch installed at main hospital with backups at each of other two facilities

Ian Gomm

Existing cabling

25 PairAmphenol

PSTN

Service Provider

Current TDM Customer ScenarioCurrent TDM Customer Scenario

IP Network

Existing cabling

25 PairAmphenol

Router SIP Trunk Provider

Premise Based IP PBX Offeringwith Citel TVA

Premise Based IP PBX Offeringwith Citel TVA

Coral Sea Softswitch

Telephone VoIP Adapter

Citel’s Portico™ TVA™Citel’s Portico™ TVA™

Citel’s Portico™ TVA™ Solution Citel’s Portico™ TVA™ Solution

SIP media adapter designed to convert existing P-Phone, analog and digital proprietary PBX

telephone sets into “SIP Endpoints”

Questions & AnswersQuestions & Answers

Thank you for Listening

Questions?

For further information:

[email protected]

206-957-6270

mailto:[email protected]

citel. the voip migration company voip migration: the kiss principal in action – a case study...

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