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Introducing VoIP at UWE : 

Introducing VoIP at UWE Jonathan Barstow Telecomms Manager, UWE ﴀ

Why more telephones?: 

Why more telephones?

Student Village – Telephone Requirements: 

Student Village – Telephone Requirements 1932 student bedrooms 4 pavilions (porters’ lodge) New sports centre

Why VoIP: 

Why VoIP Reduction in cable costs Reduction in costs of moves and changes

Unfortunately…..: 

Unfortunately….. Budget cuts

New Requirements: 

New Requirements 4 pavilions (porters’ lodge) – 12 extns New sports centre – 16 extns Disabled students & ambassadors – unspecified numbers

Existing System: 

Existing System 4000 extns, 7 sites iSDX at each site All sites linked by DPNSS Centralised Operator – AC Win Voicemail – Voice Connect Call logging - Proteus

Slide8: 

New network drawing

What we decided to do: 

What we decided to do Provide Village telephones Sufficient infrastructure to cater for 4000 extns with easy expansion Resilient system Replace existing DPNSS private circuits DPNSS inter-working will be critical Pilot Unified Messaging Pilot presence indication/teamworking

VoIP Trials: 

VoIP Trials Cisco Router kept locking up Limited DPNSS functionality Siemens DHCP Info stored in phones Echo Faulty card Phones liked by users - intuitive

Tender: 

Tender Fixed budget – requirements had to be flexible Evaluate tenders on like for like then finalise shopping list Resilient, robust solution Future h/w & s/w requirements to be transparent

Tenderers: 

Tenderers AT Communications BT Skynet Call Centre Technology Digital Communication Systems Echo TTML Logicalis Redstone Siemens SW Communications

Tenderers - shortlist: 

Tenderers - shortlist AT Communications – Mitel Call Centre Technology – Avaya Echo TTML - Mitel SW Communications - Alcatel

Tender Award: 

Tender Award Chose Alcatel solution from SW Communications Preferred architecture Cheaper than anyone else All system management “in house”

Architecture: 

Architecture 2 resilient OmniPCX Call Servers – separate sites, capable of serving 4000 extns – just add licenses Diverse data links between sites 3 gateways to iSDX at Frenchay Gateway at each remote site Triangulated data links to major sites Smaller remote sites use PSTN for backup

Alcatel Telephones: 

Alcatel Telephones

Data Network: 

Data Network Needed to enable QoS to all sites – new routers needed in places Triangulate main sites for resilience Plan and implement voice VLANs Plan for new switches with QoS & PoE

Anticipated Installation Problems: 

Anticipated Installation Problems DHCP DPNSS?

What went well: 

What went well Initial installation – on time, on budget DPNSS DASS My Messaging/Outlook DECT – using existing Siemens handsets Liaison with Networks team

Actual Installation Problems: 

Actual Installation Problems DHCP Switch port config for gateways & phones IP address grabbing DHCP & student network DPNSS – needed a patch 0800 calls from “payphones” Echo on analogue trunks

More Installation Problems: 

More Installation Problems Connecting to Proteus call logger My Messaging – Outlook extensions Operator calls show extn number Clearing

Training: 

Training 2 days training offered – inadequate Don’t underestimate the time it takes to learn a new PBX, even for experienced voice staff

Continuity in Power Outages: 

Continuity in Power Outages Only now are we addressing the problem We had anticipated UPS everywhere Capital costs Maintenance costs Space A few strategic phones Utilise digital phones over existing cabling via gateways

Future Plans: 

Future Plans Gradual migration to VoIP New buildings Building refurbishments Shortage of existing cabling People with money Data network Many new switches needed

Yet More Plans: 

Yet More Plans Existing directory on to Alcatel 4760 Will allow users to dial all extns by name Auto attendant – replace current one Voice Mail – replace current system Home-working phones My Teamwork Retire iSDXs

Eventually: 

Eventually Pick up thy phone and walk

To Summarise: 

To Summarise Installation generally went well We are well on the way to where we wanted to be but still one or two minor problems to iron out We still have much to learn about the system features and management Need to leverage My Teamwork and maybe XML capabilities of phones

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