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VSI Technologies

Technology Services

A network people stop noticing.

Campus and wide-area networking, unified communications and contact centre.

The problem

Why this comes up

Networks accumulate. A site gets added, a VPN gets stood up for one team, a contact centre is bolted onto a phone system that predates it, and the result works until it does not, usually in a way that takes a day to diagnose because nobody has the whole picture.

A network is the one part of the estate that is never redesigned, only extended. Every site addition, acquisition, remote-work programme and vendor connection leaves a layer behind, and each layer was reasonable at the time. What accumulates is not a design but a sediment, and the person who could read the whole thing has usually moved on.

The practical consequence is diagnostic time. When something is slow, and it is almost always "slow" rather than "down", nobody can see the path. The application team says the network, the network team says the application, and the truth is often a middle box nobody has looked at since it was installed. Meanwhile the business experiences it as the thing that makes everyone late.

Circuits are the other half. Contracts get signed for bandwidth sized against a traffic pattern that no longer exists, and they auto-renew because reviewing them requires an analysis nobody has time for. A meaningful share of wide-area spend in most organisations is paying for a topology that made sense before the applications moved.

Collaboration and contact centre are where the accumulation becomes customer-visible. The phone system predates the CRM, so the agent has two screens and retypes the caller’s details. Call flows encode a decision made by someone who left, and the reporting cannot answer why customers who abandon do so. None of it is broken enough to justify a project, and all of it is costing something that never appears on a line item.

Wireless is the most common single source of a bad reputation. It gets deployed from a floor plan rather than a survey, works during commissioning when the building is empty, and degrades the moment the space is used as intended, at which point the fix is presented as a capacity upgrade rather than a design error.

Recognise any of these

What it looks like from inside

If three or more of these are true, this page is about your estate.

  • A performance complaint takes more than a day to attribute to a layer
  • Circuit contracts renew because reviewing them is nobody’s project
  • Agents work from two screens and retype what the caller already said
  • Wireless is fine in the corridor and unusable in the room people meet in
  • There is a VPN that exists for one team and one purpose from years ago
  • Nobody has a current diagram, only several out-of-date ones

What we build

Specifically

  • Campus and wide-area design that reflects current sites and traffic, not historical ones
  • Software-defined WAN where the circuit costs justify it
  • Unified communications and contact centre integrated with the CRM rather than beside it
  • Wireless designed from a survey rather than from a floor plan
  • Monitoring that shows the path, not just the endpoints

What it integrates with

Named platforms, not categories. If you run one of these, this is the conversation.

  • Cisco
  • Cisco Meraki
  • Microsoft Teams
  • Aruba
  • Fortinet
  • Genesys

Design from current traffic

The design starts from measured flows and the current site list, including how much traffic now leaves for cloud services rather than crossing the wide-area network to a data centre. That single shift invalidates most legacy topologies: a hub-and-spoke design backhauling internet-bound traffic to a central break-out is paying twice for latency it does not need.

Software-defined WAN, where the numbers work

Software-defined wide-area networking is worth it when circuit diversity and application-aware routing pay for the platform, and it is overhead when they do not. That is an arithmetic question about your circuits and your sites, answered during the review with the modelled saving stated. Where the answer is that your existing design is adequate, that is the recommendation.

Contact centre joined to the record

The contact centre gets integrated with the system of record rather than installed next to it: screen pop on identified callers, interaction history written back, and routing that can use what is already known about the account. The reason is prosaic, the retyping is the largest single time cost in most contact centres, and it is also where the errors come from.

Wireless from a survey

Predictive design, then a physical survey, then validation after installation with the space in use. Materials matter more than floor area, a plasterboard partition and a concrete core behave nothing alike, and a design that has never been validated under load is a design that will be blamed for something it did not cause.

Path-aware monitoring

Monitoring that shows the path between a user and an application, not just whether both endpoints are up. This is what converts a day of finger-pointing into a five-minute answer, and it is the deliverable clients notice most in the first month.

How the engagement runs

The connectivity loop, and what runs against it

Your estate todayWhat VSI runs against it
01

Design

Topology, capacity and call flows engineered from measured demand.

VSI delivers

Designs built from your utilisation data and failure history, not from a reference architecture PDF.

02

Deploy

Sites and rooms cut over in waves, out of business hours.

VSI delivers

Standard builds per site and room class, staged and tested before the truck rolls.

03

Operate

The estate monitored end to end, circuits to endpoints.

VSI delivers

Proactive monitoring with the carrier escalations handled for you, measured in MTTR.

04

Adopt

The people actually use what was bought.

VSI delivers

Usage reporting per site and team, so under-adoption is found and fixed instead of renewed.

Design, deploy, operate, adopt, a collaboration estate only returns its cost when the last stage happens. The navy rail is what VSI runs; adoption is measured, not assumed.

How it deploys

The shape of the engagement

And what we need from you at each step. A timeline with no client obligations in it is a timeline that slips.

  1. 01Weeks 1-2

    Survey, traffic analysis and circuit review

    Survey, traffic analysis and circuit review.

  2. 02Weeks 3-8

    Design, staged rollout site by site, with rollback per site

    Design, staged rollout site by site, with rollback per site.

  3. 03Ongoing

    Monitoring and change management

    Monitoring and change management.

What you provide

  • Site list with current circuits and contract end dates
  • Access for a survey at each site
  • A maintenance window per site

How this goes wrong

The four ways it fails

Published because it is only writable by somebody who has had the failure. Each of these has happened on this kind of work, and each has a specific thing that prevents it.

A cutover causes an outage that spreads across sites

Why it happens
A single change window covering multiple sites, with one rollback plan.
What prevents it
Site by site, rollback per site. It takes longer and it bounds the worst case, which is the only property that matters during a cutover.

Wireless performs in commissioning and fails in use

Why it happens
Design from a floor plan, validated in an empty building. Bodies, furniture and simultaneous clients all change the result.
What prevents it
Physical survey before design, and post-installation validation with the space occupied. Where a client declines the survey we say what the risk is in writing.

The contact centre migration reproduces the old call flows exactly

Why it happens
Nobody could say what a flow was for, so it got copied. The migration then inherits every historical decision.
What prevents it
Flow review with the people who handle the calls, before the build. Most flows should not survive unchanged, and that is a business conversation rather than a technical constraint.

A circuit contract penalty eats the projected saving

Why it happens
Design sequencing set by the project plan rather than by contract end dates.
What prevents it
Sequencing driven by the renewal calendar. Breaking a circuit contract to hit a design milestone is almost never worth it.

Return on investment

Where the return comes from

Every lever names the mechanism and how it is measured against your own baseline, captured before the work starts. That is how the return stays a number your finance team can audit rather than a promise on a slide.

  1. 01

    Downtime and degradation, priced

    A network incident’s cost is headcount times hours times how long it lasts. We baseline incident frequency and duration from your ticketing history, engineer redundancy and monitoring against the failure modes that history shows, and report the same two numbers after.

  2. 02

    Meeting-room reliability

    A room that takes ten minutes to start a call taxes every meeting in it. Standardised room builds with monitored endpoints turn AV from a per-meeting gamble into a fleet with an uptime number, measured in room-fault tickets and time-to-join.

  3. 03

    Circuit and licence rationalisation

    Estates accumulate circuits nobody turned off and licence tiers nobody re-checked. The audit pays for itself in cancelled contracts, measured directly on the invoices, before and after.

  4. 04

    One directory, one dial plan

    Fragmented telephony and chat estates cost in switching, missed handoffs and duplicated licences. Consolidation onto one collaboration stack is measured in licence count, admin hours and the disappearance of the "which system are they on" question.

Run your own numbers in the ROI calculator

A modern conference room with displays and desk microphones at each seat.

Timing

Now, soon, or not yet

Most of the value in this decision is in when, not whether. Find the row that matches your situation.

When to start networking & collaboration work
CriterionVerdictWhy
Circuit contracts are within twelve months of renewalNowThe review has to precede the renewal to be worth anything. After renewal you are locked into whatever the last topology assumed.
A site is opening, moving or being acquiredNowA new site is the cheapest possible moment to establish the pattern the rest of the estate will migrate to.
The contact centre is generating complaints about wait or repetitionNowThis is customer-visible and compounding, and the integration fix is usually smaller than the complaint volume suggests.
Wireless is a recurring source of complaintsSoonStart with a survey rather than a capacity purchase. The survey is cheap and frequently shows the problem is placement rather than capacity.
Everything works, circuits are mid-term, and no sites are changingIt can waitGet path-aware monitoring in place so the next problem is diagnosable, and revisit the design at renewal.

Buying for a public-sector body

Public-sector network work carries constraints commercial work usually does not: change windows tied to service hours the public depends on, physical site access requiring escort and clearance, and accessibility requirements on anything a citizen touches, a contact centre being one of the most-used public interfaces there is. Interactive voice response and any web-based agent or citizen interface get built to the same accessibility standard as the rest of the estate, because a citizen who cannot use the phone tree is a citizen the service has failed. We also design assuming the environment will be assessed, so the segmentation and logging positions are documented as you go rather than reconstructed for an audit.

The federal profile

Objections

What you are probably thinking

We are mid-contract on our circuits.
Then the design accounts for it and the sequencing follows the contract end dates. Breaking a circuit contract to hit a design deadline is almost never worth it.
Our last rollout caused outages.
Site-by-site with rollback per site is slower and it is why. A big-bang cutover is the only approach where an outage is unbounded.
We want to keep our existing phone numbers and flows.
Both port. The flows usually should not survive unchanged, but that is a conversation about what they were meant to do rather than a technical constraint.

Questions

Asked often enough to answer here

Do we have to replace all our network hardware?
Usually not, and the review says which parts are actually constraining you. Access switches with years of support left rarely need replacing to fix a wide-area or wireless problem. Where hardware does need to change, it is quoted at line-item level through the hardware business so you can see what you are paying for rather than receiving a bundled figure.
How disruptive is a site rollout?
One maintenance window per site, with a rollback that returns that site to its previous state. Sites go one at a time, which is slower than a co-ordinated cutover and bounds the worst case to a single location. For sites that genuinely cannot take a window, we design a parallel-run cutover instead, it costs more and it exists for exactly that case.
Can you keep our phone numbers?
Yes. Numbers port, and the porting timeline rather than the technical work is usually what sets the schedule, so it goes into the plan early. What generally should not survive the move is the call flow: most flows encode a decision nobody can now explain, and rebuilding them with the people who take the calls is where the improvement comes from.
Will software-defined WAN save us money?
Sometimes, and we model it before you commit. It pays when you have multiple sites, a mix of circuit types, and a lot of traffic destined for cloud services that is currently being backhauled. It does not pay on a small number of sites with a single circuit type, and in that case we will tell you your existing design is adequate.
Who fixes it at three in the morning?
Whoever you have contracted to. If that is your team, the handover includes the runbooks and the monitoring they need. If it is our managed services, escalation reaches a named person and the response commitment is published rather than implied. The failure mode worth avoiding is the one where a rollout completes and nobody has agreed which of those two is true.
How do you handle a survey at a site we cannot easily access?
Predictive design from building materials and layout, deployed conservatively, then validated on the first available visit with the space occupied. It is a compromise and we say so in writing, because a design that has never been validated is a design that will be blamed for the first performance complaint whether or not it caused it.

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What it costs

Pricing

Priced per site after survey. Circuit savings are modelled before you commit.

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