Cloud-Hosted PBX Platform

Business communicationspowered by AI

Full-featured cloud PBX with SIP trunking, call queues, IVR, real-time AI transcription, and natural text-to-speech. Built for Zambian businesses.

99.9%Uptime
18+PBX Features
AIVoice & Analytics
24/7Support
Trusted by leading Zambian businesses
ZANACO ZESCO MTN AIRTEL STANBIC

Everything you need to compete

Enterprise-grade features that rival 3CX and Avaya — without the complexity or cost

SIP Trunking

Connect to any SIP provider with multi-trunk support, automatic failover, and per-tenant caller ID management.

Call Queues

Route calls intelligently with ring-all, round-robin, and least-recent strategies. Real-time agent controls.

IVR Menus

Build multi-level auto-attendants with custom greetings, DTMF routing, and intelligent timeout handling.

WebRTC Softphone

Browser-based SIP phone. No plugins, no downloads. Works on desktop and mobile with full call controls.

Call Recording

Automatic call recording with tenant-isolated storage, instant playback, and secure download.

Multi-Tenant

Complete isolation with dedicated contexts, extensions, queues, and billing. One dashboard for all tenants.

Attended Transfer

Consult with the transfer target before completing. Blind and attended transfer from webphone and mobile app.

Call Monitoring

Silent listen, whisper coaching, and barge-in on live calls. Supervisor tools for quality assurance and training.

Conference Bridge

PIN-protected meet-me conference rooms with admin controls, join/leave announcements, and per-tenant profiles.

Business Hours

Time-based call routing with per-day schedules, holiday overrides, and automatic after-hours voicemail.

Follow Me

Find-me/follow-me routing: ring desk first, then mobile, then voicemail. Never miss a call again.

SMS Integration

Send and receive business SMS. Inbound webhooks, message logging, and carrier API integration built in.

Visual Call Flows

Drag-and-drop call flow designer. Build IVR trees, queue routing, and time conditions visually — compiles to live dialplan.

Live Wallboard

Real-time dashboard with active calls, queue depths, agent status, and calls-per-hour. WebSocket-powered live updates.

Advanced Analytics

Call volume trends, hourly patterns, per-extension stats, ASR/ACD metrics, and CSV export. Chart.js powered dashboards.

Hot Desking

Login and logout extensions from any physical phone. Flexible seating for shared workspaces and shift-based teams.

Answering Machine Detection

Automatically detect voicemail vs. live answers on outbound calls. Tunable parameters for optimal accuracy.

STIR/SHAKEN

Caller ID verification and attestation for fraud prevention. Validate inbound calls and sign outbound identity headers.

One platform for every conversation

Unify voice, messaging, and video into a single system your whole team can use

Omnichannel contact center

Handle calls, WhatsApp, SMS, email, and live chat from one unified inbox. Every interaction is tracked, recorded, and searchable.

  • Voice calls with SIP trunking
  • WhatsApp Business integration
  • SMS notifications & two-way messaging
  • Email-to-ticket conversion
  • Live chat widget for your website
Explore channels
Voice Calls SIP trunking + WebRTC
Live
WhatsApp Business API
12
SMS Two-way messaging
5
Email Auto-ticketing
8
Live Chat Website widget
3

Team collaboration
built for speed

Internal extensions, ring groups, call parking, and conference bridges keep your team connected. Transfer calls seamlessly between desk phones, softphones, and mobile.

  • One-click internal calling
  • Ring groups with failover
  • Blind & attended transfer
  • Call parking & pickup
  • Voicemail with email delivery
See all features
Support Queue 3 agents online • 2 in queue
Active
Sales Team Ring Group 3001
Conference Bridge Room 7001 • 4 participants
Voicemail 3 new messages

Real-time analytics &
live wallboard

Track call volumes, agent performance, queue wait times, and ASR/ACD metrics. Live wallboard with WebSocket updates. Export CSV reports or view interactive charts.

  • Live wallboard with active calls & queue depths
  • Daily & hourly trend charts
  • Per-extension performance metrics
  • CSV export & Answer Rate (ASR) tracking
1,247
Total Calls
94%
Answer Rate
0:23
Avg Wait Time
3:42
Avg Duration
MonTueWedThuFriSat

Turn every call into
actionable data

Automatically transcribe calls, generate summaries, and convert text to natural speech with our integrated AI pipeline.

Speech to Text Accurate transcription with speaker diarization and timestamps
Text to Speech Generate natural voice prompts and IVR greetings in multiple voices
Smart Summaries AI-generated call summaries with key topics and action items
Live Transcription

Agent: Thank you for calling ONTECH support, how can I help you today?

Caller: I'm having issues with my extension not ringing when calls come in.

Agent: I can help with that. Let me check your extension configuration right now.

Connects to the tools you already use

Native integrations with ONTECH products and open APIs for everything else

ONTECH

ONTECH CRM

Automatic screen pops on incoming calls. Click-to-call from contact records. Full call history synced to customer profiles.

  • Caller ID lookup & screen pop
  • Click-to-call from CRM
  • Call notes auto-saved to deals
  • Post-call disposition codes
ONTECH

ONTECH ERP

Link calls to invoices, purchase orders, and support tickets. Automatic customer lookup from accounting records.

  • Customer lookup from AR/AP
  • Call logging on invoices
  • Collections queue integration
  • Supplier call tracking
ONTECH

ONTECH Helpdesk

Inbound calls auto-create tickets. Agents see full ticket history during calls. Escalation rules tied to SLA timers.

  • Auto-ticket on missed calls
  • Ticket pop on answer
  • SLA-based queue priority
  • Recording attached to tickets

Webhooks

Real-time HTTP callbacks for call events. Trigger automations in any system when calls start, answer, or end.

  • Call start, answer, end events
  • Queue join/leave events
  • Voicemail notifications
  • Custom payload formatting

REST API

Full API access to extensions, queues, CDR, recordings, and tenant management. Build any custom integration.

  • Tenant provisioning API
  • CDR query & export
  • Recording stream/download
  • Agent directory & presence

Custom Integrations

Connect to Salesforce, HubSpot, Zoho, Microsoft Teams, Slack, or any third-party system via our open API.

  • Salesforce & HubSpot CTI
  • Microsoft Teams presence
  • Slack call notifications
  • Zapier & Make connectors
How it connects
Incoming Call
SIP / PSTN
ONTECH PBX
Route & Record
Webhook
Real-time event
CRM / ERP
Screen pop
AI Transcribe
Post-call

Built for African businesses

Low-latency infrastructure hosted in the region, designed for local telecom networks and business workflows

99.9%
Platform uptime
<50ms
Voice latency
100+
Active extensions
5+
ONTECH integrations

Ready to upgrade your
business phone system?

Get started in minutes. No hardware required. No long-term contracts.

Start Free Trial