Which TEM Platform Is Right for You? A Buyer's Guide
Direct answer, up front: Tangoe, Calero, and Brightfin all manage telecom spend well — none of them run a network operations center or manage circuit performance, because they're expense software, not a managed service. The right choice depends on who's running it: a global enterprise with a dedicated team fits Tangoe or Calero, a ServiceNow shop fits Brightfin, and a mid-market IT team that needs the network side covered too — not just the invoice — fits vCom, the only option here built as a managed team rather than a login.
Jump to:
- What TEM software is actually good at
- What TEM platforms structurally can't do
- The options, side by side
- Software you log into vs. a team that runs it
- How LFLM consolidated telecom across 18 locations with one team
- How to actually decide
- FAQ
What TEM software is actually good at
Tangoe, Calero, and Brightfin have spent years — Tangoe over two decades — building software specifically for telecom and IT expense management, and it shows in the category's mature core: centralized invoice processing, cost allocation across departments or cost centers, contract and inventory tracking, and analytics dashboards built for a finance-led buyer. Brightfin's differentiator is running natively inside ServiceNow, syncing directly with a company's existing CMDB. Calero has built out toward "unified technology management" across telecom, mobility, and SaaS spend in a single interface. Tangoe operates at real global scale, with carrier relationships and multi-currency support that smaller platforms can't match.
If the entire problem is "our telecom invoices are a mess and nobody's normalizing them," any of the three genuinely solves that. The question is what happens outside that problem — and where vCom fits differently than all three.
What TEM platforms structurally can't do
None of the three run a network operations center. None of them do proactive circuit performance management. That's not a gap in this quarter's roadmap — it's outside the category by design. TEM platforms manage the expense side of telecom: what's on the invoice, what it should cost, and where it should be coded. They have no visibility into whether a circuit is actually up, no team monitoring performance in real time, and nothing to dispatch when a location goes dark.
That split matters more than it sounds. A company running Tangoe or Calero for expense management still needs a separate way to handle network operations, monitoring, and MACD (moves, adds, changes, disconnects) work — either an internal team or another vendor. The invoice gets audited. The circuit that generated it doesn't get watched by the same people. This is exactly where vCom is built differently: mobile and network lifecycle management covers planning and procurement, day-to-day operations (including a NOC and MACD management), and expense management as one connected practice, run by vCom's own team — not because TEM software does its job poorly, but because expense management was never the whole job.
The options, side by side
Global enterprise, dedicated telecom-expense staff, need deep multi-currency/multi-country support → Tangoe. Real global scale and category-leading carrier reach — but you're administering the platform yourself.
Already running ServiceNow, want expense management synced natively into your CMDB → Brightfin. The only TEM platform built natively on ServiceNow — but that dependency is the whole value proposition, so it's a hard requirement, not a nice-to-have.
Large or mid-to-large enterprise, want a single pane of glass across telecom, mobility, and SaaS spend → Calero. Broadest "unified technology management" scope among the three — still software you or your team runs day to day.
Mid-market, lean IT team, need network operations and expense management covered by one accountable team → vCom. The only option here that also runs a NOC, handles procurement, and manages MACD work — as a managed service, not another system to administer.
None of these are wrong choices in isolation — they solve different problems for different teams. But if the honest answer to "who's managing this once it's set up" is "us, on top of everything else," that's the signal vCom is built to answer directly.
Software you log into vs. a team that runs it
The other structural difference is who's actually doing the work. A TEM platform is software a company runs itself — someone on the IT or finance team owns the configuration, chases down data quality issues, and interprets what the dashboard is showing. User reviews on sites like G2 and Capterra call out specific friction with the platform that has the most public review history: Tangoe users report portal customization limits and reporting that reportedly needs a specialist to configure, plus implementations spanning several weeks to a few months. Brightfin's own current marketing implicitly concedes past category pain points — "unresponsive support, missed SLAs, frustrating delays" — that it says its current platform now fixes. Calero has less public complaint history to go on, but shares the same basic structure as the other two: a platform the customer's own team configures and maintains, not a team that comes with the contract.
None of that makes the software bad. It makes it software, with everything that implies: someone on the customer's own team has to run it, and if that person moves on, the configuration knowledge and vendor relationships they built go with them — a real continuity risk for a company with a small IT team and no backup. vCom's model puts that continuity on vCom instead: a dedicated team owns the configuration, the vendor relationships, and the follow-through, not one person's institutional knowledge. It's also why the vendor-manager role shouldn't sit on the IT team in the first place: a lean team already stretched thin doesn't need a new system to administer on top of everything else — it needs vCom to administer it for them.
How LFLM consolidated telecom across 18 locations with one team
Laughlin, Falbo, Levy, Moresi (LFLM), a California law firm with 12 offices, 290 employees, and 18 locations, was running telecom the way most lean-IT-team companies end up running it: an outdated agreement with a $25,000 spend commitment they couldn't fully use, multiple vendors across multiple offices, and no unified way to see or control any of it. There was no dedicated telecom-expense team — just an IT department already stretched across everything else the firm needed.
Working with vCom, LFLM renegotiated that commitment down to $15,000 to match actual usage, consolidated telecom services onto a single platform, and used vCom's end-to-end management — procurement, optimization, and ongoing support — instead of fielding calls from multiple vendors directly. The engagement started narrow, with SD-WAN, and expanded from there into expense management, UCaaS, and mobile and cloud strategy as the relationship proved out. The result: $75,000 in annual savings through SD-WAN and voice optimization, simplified billing and procurement, and — as important as the dollar figure — an IT team that stopped being the point of contact for every vendor issue.
"With vCom, we have the confidence that somebody is figuring things out. Getting updates in a timely fashion to keep my team informed makes things easier for me so I can focus on other projects." — Paul Cassinetto, Director of IT, LFLM
That's not a sentence a dashboard earns on its own. It's what vCom's managed model sounds like from the customer's side.
How to actually decide
Skip the feature checklist and start here instead:
- Who's watching the network, not just the invoice? If the answer is "nobody, that's a different vendor," that's a real gap — and the one vCom is built to close directly.
- Who actually configures and maintains the platform day to day — an internal hire, or vCom's own team, included in the engagement?
- Does this depend on another system being in place (like ServiceNow) to deliver its full value, and is that dependency worth the added cost and commitment?
- Who's the backup if the person running this on your team leaves? Software that depends on one person's configuration knowledge is a continuity risk of its own.
- Is the platform sized for a company like this one, or for a global enterprise with a dedicated team to run it?
If the honest answer to more than one of those points toward "we'd be managing the manager," vCom is worth a look before signing anything.
FAQ
Which TEM platform is right for you?
It depends on two things more than features: whether there's a dedicated team to run the platform day to day, and whether network operations (not just expense management) also need to be covered. Tangoe and Calero suit large enterprises with staff to administer them; Brightfin suits companies already running ServiceNow. vCom is the option built for mid-market teams that need both network operations and expense management handled by one accountable team, rather than software they administer themselves.
What is TEM software?
Telecom expense management software that centralizes invoice processing, cost allocation, contract tracking, and reporting for a company's telecom and IT spend. Tangoe, Calero, and Brightfin are the major software platforms in the category.
What's the difference between TEM software and vCom?
TEM software manages the expense side of telecom — invoices, allocation, reporting — and is typically run by the customer's own team. vCom adds network operations, procurement, and ongoing support as a connected practice, run by a dedicated vCom team rather than administered in-house.
Do TEM platforms manage network performance or outages?
No. TEM software doesn't run a network operations center or monitor circuit performance — that's outside the category. Companies using TEM software for expense management still need a separate way to handle network operations and monitoring, which is exactly what vCom adds on top of the expense-management side.
Is Brightfin's ServiceNow requirement a real limitation?
For a company that isn't already running ServiceNow, yes — Brightfin's core value depends on syncing with an existing ServiceNow environment, which adds cost and commitment beyond the TEM platform itself.
Is a global-scale TEM platform the right fit for a mid-market company?
It depends on whether there's a dedicated team to run it. Platforms like Tangoe and Calero are built for large enterprises with staff to administer them; a mid-market company with a lean IT team is often better served by vCom's managed model, which includes the labor, not just the software.
Not sure whether your current setup covers the network side, not just the invoice? It's worth a conversation. Get started with vCom →
