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About TKOS

Tech Knowledge Open Systems

Africa's tier-1 telecom network, built for the operators serving it.

A decade of carrier-grade voice, AI and contact center engineering — packaged on one login. Born in Johannesburg, trusted in Lagos, Nairobi and beyond.

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10+

Years operating

500+

Carrier interconnects

500+

Active partners

98%

Partner retention

25+

Countries served

What we do

Six pillars. One platform. One login.

Everything you used to buy from three vendors — collapsed onto the same network, the same dashboard and the same support engineers.

01 ⁄ 06

Hosted phone system

Cloud PBX with extensions, auto-attendant, IVRs and voicemail — provisioned in minutes, not months.

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02 ⁄ 06

Business phone

BYOD-friendly softphone for desk, mobile and browser. HD calling, presence, call flip and shared lines.

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03 ⁄ 06

Team chat

Channels, threads, file share and presence — natively wired into the same number that takes your calls.

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04 ⁄ 06

HD video meetings

1080p video, breakout rooms, recording and live transcription. No download, no plugin, no PIN.

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05 ⁄ 06

Customer engagement

Unified inbox for SMS, WhatsApp, web chat and voice — every customer thread on one timeline.

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06 ⁄ 06

Business messaging

Two-way SMS / MMS, online fax, WhatsApp templates and bulk campaigns with delivery receipts.

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Our story

Twelve years. One platform. No replatforms.

Every line of TKOS ships from the same engineering team that wrote the first version. Six chapters of compounding craft.

01
Chapter 012014

TKOS founded in Johannesburg

A pair of South African network engineers got tired of stitching telco APIs together. They built one — and started selling minutes to MSPs across SADC.

02
Chapter 022017

First tier-1 SA interconnect

Direct interconnect to the country's incumbent carriers — fewer hops, cheaper minutes and lower PDD for every customer that came after.

03
Chapter 032019

UCaaS platform launch

Hosted phone, SMS and team chat unified under a single login. The platform that powers our customers today shipped its first version.

04
Chapter 042022

AI receptionist & analytics

We started bundling speech AI on top of every call: live transcription, sentiment, agent assist and the AI receptionist that answers when humans can't.

05
Chapter 052024

500 carriers, 500 partners

Two milestones in one year — 500+ direct carrier interconnects and 500+ active channel partners with 98% retention. Pan-African coverage closed.

06
Chapter 062026

The platform you pilot today

Same login. Same network. Built to scale to your millionth minute without a replatform. That's the promise.

Mission & values

One mission. Four operating principles.

Make carrier-grade voice, AI and contact center infrastructure as easy to ship as a SaaS app— without giving up the SLAs you'd expect from a tier-1 telco.

“The platform you pilot today is the platform that carries your millionth minute. No migration. No replatforming. No renegotiation.”

TKOS founding principle

Carrier-grade by default

We engineer for the same SLAs we sign on tier-1 contracts — six nines, sub-200ms PDD, FAS-free routes — without asking customers to opt in.

Built for African operators

Lagos, Nairobi and Johannesburg aren't afterthoughts on our roadmap. We test in-region, price in-region and hire in-region.

Trust is non-negotiable

HIPAA attestations and STIR/SHAKEN routing details are signed and in your inbox the same day you ask. No legal escalation, no NDA gymnastics.

Same platform, every customer

What our biggest enterprise gets, the SMB on a free trial gets too. Same SLAs, same network, same support engineers.

Network coverage

Built in Africa. Routed worldwide.

Three regions. 25+ cities. 500+ direct carrier interconnects. Every minute lands on a tier-1 path the first time.

🌍

Africa

12 cities · 22 carriers

live
  • JohannesburgHQ
  • Cape TownEng
  • LagosSales
  • NairobiSupport
  • CairoPOP
  • AccraPOP
  • CasablancaPOP
🇪🇺

Europe

5 PoPs · 180+ carriers

live
  • LondonPOP
  • FrankfurtPOP
  • AmsterdamPOP
  • ParisCarrier
  • MadridCarrier
🌐

Americas & APAC

8 cities · 290+ carriers

live
  • Ashburn, VAPOP
  • São PauloCarrier
  • SingaporePOP
  • MumbaiCarrier
  • SydneyCarrier

500+

Direct carrier interconnects

<200ms

Median PDD globally

99.9%

Network uptime SLA

Headquarters

Want to drop in for coffee?

Tech Knowledge Open Systems

Spaces Broadacres Willow Wood, 220 3rd Avenue, Fourways, Gauteng 2191

+27 10 070 6007info@techopensystems.co.zaTalk to us
Customer Stories

Built for every desk in a growing operation.✦

Every quote reflects a verified customer outcome, logged through the account review process — covering voice, messaging, and the AI layer stitched between them.

DW

David Whitfield

Director of Revenue Ops

Southline Medical

5.0

“Trained the voice bot on our intake scripts and after-hours rules. Leads stopped going to voicemail — we booked twelve percent more consults on the same ad spend.”

AI Voice Bot
CM

Carla Mendez

Head of Operations

Prime Roofing

4.9

“Four locations ran on four legacy PBXs. The migration took a weekend. We kept every number and cut our phone bill by thirty-one percent.”

Cloud Phone
JB

Jordan Bell

Managing Partner

Bell & Cross Legal

5.0

“The chatbot qualifies cases overnight and drops them into our CRM by morning. Our intake team starts the day with a queue instead of an empty inbox.”

AI Chatbot
PS

Priya Shah

Director of CX

Harborlight Swim

4.8

“Web chat, Instagram DMs, and the main line land in one agent thread. CSAT moved from 4.1 to 4.7 in a single quarter.”

Omnichannel
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Start free. Scale on the same network.

The platform you pilot today is the platform that carries your millionth minute. No migration. No replatforming. No renegotiation.

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TKOS — Tech Knowledge Open Systems

Africa's #1 Dynamic & Reliable Telecom Leader

Cloud phone, AI contact center and unified communications on one tier-1 SA telecom network.

Platform

  • UCaaS Platform
  • Hosted Phone System
  • AI Contact Center
  • TKOS AI Suite
  • Business SMS & MMS
  • Online Fax
  • HD Video Meetings

Solutions

  • Sales Teams
  • Support Teams
  • Remote Teams
  • Healthcare
  • Retail
  • Financial Services
  • Logistics

Features

  • Auto-Attendant & IVR
  • Call Recording
  • Conversation Intelligence
  • AI Sentiment Analysis
  • AI Virtual Assistant
  • Sales Call Intelligence

Company

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Resources

  • Blog
  • Documentation
  • API Reference
  • System Status
  • Security
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Spaces Broadacres Willow Wood, 220 3rd Avenue, Fourways, Gauteng 2191+27 10 070 6007www.tkos.co.za

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