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Hosted Phone · Cloud PBXv3.8

Your business phone system, without the rack.

A cloud-native PBX that replaces legacy hardware in a weekend — every extension, every IVR, every voicemail, on a platform your team can actually run.

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Desk phoneMobileDesktopBrowser
cloud PBX · admin+27 82 100 0001

0%

capacity

Live load

3 queues

healthy

On call

12

Idle

8

Wrap-up

3

Active call

auto-cycling

Ext. 4012 · Sarah Kruger

LIVE

Sales · queue: Support · 02:14

  • 4012

    Sarah Kruger

    SalesOn call
  • 4087

    Daniel Achebe

    EngIdle
  • 4204

    Lerato Mokoena

    ITIdle
  • 4156

    Tunde Bello

    OpsIdle

Queue

3 calls

Avg wait

0:18

Agents

12 / 14

1 extension · 4 devices

desk · mobile · desktop · browser

99.9%

carrier-grade SLA

Any device

One extension lives on every device you already use.

A single line of numbers, voicemail and routing rules — reflected perfectly on desktop, mobile, browser and SIP hardware. No reprovisioning, ever. Try our business phone service.

Desktop

Mac · Windows

Ext. 1021

Mobile

iOS · Android

Ext. 1021

Browser

Any tab, no install

Ext. 1021

Desk phone

SIP handsets

Ext. 1021
Launch plan

Five steps. One weekend. Your numbers stay live.

A dedicated cutover lead owns every step end-to-end. You stay focused on customers; we handle handsets, ports and dial-plans, with auto attendant setup included.

01

Discovery

Extension plan, call flows, IVR tree

02

Provision

Auto-config 50 handsets at once

03

Port orders

Submitted with zero customer effort

04

Pilot

Parallel running with your old PBX

05

Cutover

Friday night; live Monday morning

Everything you expect

Enterprise PBX features, without the enterprise rollout.

Every feature an IT lead has spent years wiring together, shipped in a single admin panel. Every change is one click, not a ticket. Get toll-free numbers on the SIP standard.

IVR · Main line+1 ••• 555 0110
Welcome1 · Sales2 · Support3 · Billing
Time-of-dayHoliday rulesOverflow → callback

Auto-attendant & IVR

Multi-level menus, time-of-day routing, holiday overrides. Build it visually; no scripting.

Inbox · voicemail3 new
  • Carla M.

    00:42

    New
  • Unknown

    01:15

    New
  • Jordan B.

    00:28

    Read

Voicemail-to-email

Audio, transcript and caller ID delivered to the right inbox — or a channel in your team messenger.

Hunt group · Sales1 in queue · 0:08
MKLRAMJBRinging → Maya

Pickup

94%

Avg ring

0:06

Today

318

Longest-idleFallback: voicemail · 25s

Hunt groups

Ring teams sequentially, simultaneously, or by longest-idle. Change groups from a browser tab.

REC00:42 / 04:18
Carla M.→ ext 1021Sales · inbound
AES-256PCI pause7-yr retention1.4 MB · S3

Call recording

On-demand or always-on. AES-256 at rest, with granular retention and access controls.

Presence · BLFSales floor · 12 keys
  • Mayaext 201K1—Available
  • Lucasext 204K202:14On call
  • Ayandaext 215K3—DND
1 free1 busy1 DNDLive · 200ms

Presence & BLF

Live status shared across desk phones, mobile and desktop. Never transfer to a busy colleague.

Calls · past 24h

1,284+12.4%

24h7d30d

Answer

92%

AHT

4:12

Abandon

2.1%

Call analytics & call queues

Live wallboards with queue depth, SLA and abandonment — self-serve drill-downs to every call-record row.

Customer Stories

Teams that retired their on-prem PBX for a login.

Verified migrations from legacy PBXs to TKOS Hosted Phone System.

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
MO

Marcus Obi

Founder & CEO

Lagos Freight Works

4.9

“We picked up every driver call across three depots on one platform. Dispatch response dropped from minutes to seconds.”

Cloud Phone
KW

Kenji Watanabe

Operations Lead

Saitō Logistics

4.8

“Porting our numbers was painless and carrier reporting finally matches what finance sees. Nothing falls between the cracks anymore.”

SIP Trunking
PS

Priya Shah

Director of CX

Harborlight Swim

4.8

“Reps work from home and the office without changing a single extension. Our callers never notice the difference.”

Cloud Phone
FAQ

Questions IT leaders ask before moving to a hosted PBX.

Everything an IT or operations lead needs to scope a cloud phone rollout on TKOS.

Yes. TKOS is SIP-standard and auto-provisions certified Yealink, Poly, Cisco, Grandstream and Fanvil handsets. If your phones are on that list, they drop straight in.

Get A Free Trial

Retire the rack. Keep every number.

Pilot a cloud PBX on a real team and port live numbers in. No new hardware. No downtime. No surprises on the invoice.

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Free trialNo card requiredPort numbers freeMonth-to-month billing
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

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