Skip to content
HighVoxi home
All systems operational

Voice,
elevated.

HighVoxi is the communications layer for carriers, platforms and growing businesses. Terminate calls over direct tier-one routes, deliver SMS worldwide and run your phone system in the cloud, with engineers on call around the clock.

  • Direct tier-one routes
  • 24/7 engineering support
  • Money-back guarantee

Carrying traffic for teams that can’t afford a dropped call

  • Northwire
  • KESTREL
  • Parallax
  • fieldhouse
  • ORBITA
  • Parcelly

01 / Platform

Five services. One network built for voice.

Start with what you need today and add the rest when you’re ready. Every product runs on the same monitored infrastructure, with the same team behind it.

Voice termination

Direct routes. Fewer hops. Clearer calls.

Terminate US and international traffic over direct tier-one interconnects, so calls skip the resale chain and arrive with HD clarity intact.

HighVoxi direct · 38 ms p50Typical multi-hop · 96 ms p50
Explore voice termination

SMS messaging

Messages that land, everywhere.

Global delivery over redundant routes, with full control over numbers, sender IDs, compliance rules, content and two-way replies.

Explore SMS messaging

Developer platform

One request from idea to inbox.

Clean REST endpoints, signed webhooks and real-time delivery receipts. Ship messaging and calling features in an afternoon, not a quarter.

See what you can build
send-sms.sh202 Accepted
# Send a message in one request
curl https://api.highvoxi.com/v1/messages \
  -u "$HVX_KEY:" \
  -d to="+447700900123" \
  -d from="ACME" \
  -d body="Your code is 482913"

{ "id": "msg_9Hx2fQ", "status": "queued" }

Hosted IP PBX

A phone system your team will actually enjoy.

A cloud PBX with simple call flows, IVR, ring groups and voicemail. None of the legacy hardware, all of the reliability.

InboundIVR menuSalesSupportVoicemail123
Explore hosted IP PBX

Custom solutions

Built around your stack, not ours.

When off-the-shelf won’t do, our engineers design the integration, routing logic or platform your business actually needs.

Explore custom solutions

Consultancy

Advice before invoices.

Expert guidance from first requirements to final purchase, so you invest in the right solution the first time.

Explore consultancy

02 / By the numbers

Engineered for traffic that matters.

Quality isn’t a promise we make once. It’s a set of numbers we watch every minute of every day.
Network availability target, backed by our SLA
99.999%
Countries and territories within reach
190+
Median one-way latency on direct US routes
38 ms
Messages delivered across our network each year
1.2B

03 / How it works

From first call to live traffic in days, not months.

  1. 01

    Talk to an engineer

    Tell us about your traffic, volumes and goals. You’ll speak with someone who builds networks, not someone reading a script.

  2. 02

    Get a tailored plan

    We map the routes, numbers and features you need, with pricing shaped around how you actually use them.

  3. 03

    Connect and test

    Interconnect over SIP or our API, run test traffic and validate quality before a single customer call goes through.

  4. 04

    Go live, stay monitored

    Launch with confidence. We watch your traffic around the clock and reach out before small issues become outages.

04 / Why HighVoxi

The carrier you’d build if you started today.

Legacy carriers were designed for a different decade. Here’s what changes when you switch.
HighVoxi compared with legacy carriers
CapabilityHighVoxiLegacy carriers
RoutingDirect tier-one interconnects with automatic failoverResold routes through several intermediaries
Call qualityHD voice, monitored per route in real timeChecked after customers start complaining
SupportEngineers, developers and industry veterans, 24/7Tiered ticket queues with business-hours escalation
OnboardingLive in days via SIP, portal or APIWeeks of paperwork and manual provisioning
PricingFlexible, usage-based plans that scale with youLong fixed terms and minimum commitments
RiskMoney-back guarantee on every productEarly-termination fees

05 / Customers

Teams that switched, in their own words.

“We moved our international termination to HighVoxi over a single weekend. Answer-seizure ratios went up, complaints went down, and an engineer picked up at 3 a.m. when we needed one.”

Daniel OkaforVP Network Operations, Northwire Telecom

“Their messaging platform finally gave us control over sender IDs and opt-out handling in every market. Compliance went from a quarterly fire drill to a settings page.”

Priya RamanHead of Product, Parcelly

“Replacing our on-premise PBX took one afternoon of training. The call flows are genuinely intuitive, and our monthly phone bill fell by more than a third.”

Marcus LindqvistOperations Director, Fieldhouse Logistics

06 / FAQ

Questions, answered.

Can’t find what you’re looking for? Write to us and an engineer will reply within one business hour.

Ask a question
What does “direct tier-one routes” actually mean?

Your calls are handed straight to major carrier networks instead of being passed between several resellers. Fewer hops mean lower latency, cleaner audio and more consistent connection rates.

How quickly can we get started?

Most customers send test traffic within a few days. Once your interconnect is configured and quality checks pass, moving to production is a single conversation.

Do you support both SIP trunking and APIs?

Yes. Connect voice over standard SIP, manage messaging and numbers through our REST API, or use the web portal. Most teams mix all three.

How does the money-back guarantee work?

If a product doesn’t perform as agreed, tell us. We’ll work to put it right, and if we can’t, we’ll refund the affected charges. The specific terms are set out in your service agreement.

Who answers when we contact support?

Engineers, developers and telecom veterans who know the network firsthand. Support runs 24 hours a day, 7 days a week, all year round.

Can you help us decide what to buy?

Absolutely. Our consultancy team helps you define requirements, compare options and plan the rollout, and we’ll tell you honestly when something else is the better fit.

Hear the difference on your next call.

Book a 20-minute session with an engineer and bring your toughest routing question. No slides, no pressure.