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Voice API

Programmable Phone Calls That Work the Way Your Business Does.

Voice is still the most personal way to connect with a customer. Technologiahub’s Voice API gives businesses across Belgium the power to build, manage, and scale programmable phone calls — from automated outbound alerts to intelligent inbound call flows — all through a single, developer-friendly API.

Voice API

How Technologiahub Voice API Works

Build powerful voice experiences with just a few lines of code — no telephony expertise needed.

  • Make and receive programmable phone calls using a simple, well-documented API — fully integrated with your existing systems and workflows
  • Build intelligent inbound call flows with dynamic routing, call queuing, voicemail, and real-time transcription — all configurable through code
  • Launch automated outbound calling campaigns for appointment reminders, payment alerts, customer surveys, and lead follow-ups at scale
  • Record, monitor, and analyse every call with built-in recording, live call monitoring, and detailed analytics — so you always know what’s happening on the line
  • Connect seamlessly with your CRM, helpdesk, or contact centre platform to give every agent the customer context they need before the first word is spoken

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Build Voice Experiences Your Customers Will Actually Remember

Generic hold music and robotic menus are a thing of the past. Technologiahub’s Voice API lets Belgian businesses build truly personalised, intelligent phone call experiences — from smart call routing that connects customers to the right person instantly, to automated voice campaigns that feel genuinely human. Whether you’re building a contact centre, an appointment reminder system, or a fraud alert call flow, our Voice API gives you complete control over every call.

Voice API is your telephone exchange. What you build with it defines every customer conversation.

Alerts and notifications

Reach customers instantly with automated voice calls for time-critical alerts. From fraud warnings and account security notifications to appointment reminders and delivery updates — voice calls cut through the noise when it matters most, especially for customers who are harder to reach via SMS or email.

Case Study: A Belgian hospital network reduced missed appointment rates by 45% after implementing Technologiahub Voice API automated reminder calls across their patient scheduling system

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3X

higher response rate for voice alerts vs SMS for urgent notifications

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90 %

of automated voice calls are answered within the first 3 rings

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48%

reduction in missed appointments using WhatsApp reminders

Marketing and promotions

Launch personalised outbound voice campaigns that speak directly to your customers — literally. Use Voice API to deliver tailored promotional messages, run automated surveys, gather real-time feedback, and follow up on marketing leads with a human-sounding, brand-consistent voice experience.

Case Study: A Belgian insurance provider increased policy renewal rates by 38% using Technologiahub Voice API personalised outbound reminder campaigns targeting customers with expiring policies.

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4X

higher engagement rate for personalised voice campaigns vs generic robocalls

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35%

increase in promotional campaign response rates using Voice API outreach

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2X

more qualified leads generated per campaign with intelligent voice follow-up

Sales and customer service

Give your sales and support teams the tools to handle more calls, faster — with intelligent routing, real-time transcription, and full CRM integration. Every inbound call reaches the right person instantly, and every agent has the customer context they need to resolve issues on the very first call.

Case Study: A Belgian financial services firm reduced average call handling time by 35% and improved customer satisfaction scores by 50% after rebuilding their contact centre on Technologiahub Voice API.

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65%

of customers prefer WhatsApp for business support over phone calls

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40%

reduction in average call handling time with real-time transcription support

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20X

ROI for businesses using Voice API in their contact centre operations

Different Customers, Every Channel, One Powerful Platform

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Voice API

Build and manage fully programmable inbound and outbound phone calls — with intelligent routing, recording, transcription, and automation built in.

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SIP Trunking

Connect your existing telephony infrastructure to Technologiahub's cloud voice network — keeping what works while adding the flexibility and scale of a modern platform.

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IVR (Interactive Voice Response)

Build intelligent, automated voice menus that route customers to the right place instantly — reducing wait times and freeing up your team.

Voice Conferencing

Host seamless multi-party calls and conference bridges — fully programmable, scalable, and integrated into your existing systems.

SMS

Combine voice with SMS for a truly multi-channel communication strategy — reaching customers on their preferred channel every time.

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Conversations API

Unify your voice interactions alongside SMS, WhatsApp, and every other channel in one centralised, intelligent customer conversation inbox.

Combining Data and AI for Smarter Voice Engagement

Technologiahub Voice API is built for enterprises that need intelligent, scalable, and data-driven phone communication.

Technologiahub Messaging Suite

Experience faster voice application development, simplified call flow management, and higher connection rates. Use call scheduling, real-time dashboards, and intelligent routing tools to optimise every inbound and outbound call your business makes.

Customer Deliverability Engine

Maximise call connection rates and minimise dropped calls with our intelligent voice traffic engine. Combining carrier relationship data, AI-driven routing, and real-time network insights — every call reaches its destination reliably and clearly.

Voice API

Traffic Optimization Engine

Scale your voice traffic intelligently across peak calling periods. Get full control over call queuing, priority routing, failover handling, and real-time error detection — so your voice operations run flawlessly even at maximum volume.

Technologiahub Voice API Features

Everything you need to build, manage, and scale intelligent voice communication for your Belgian business.

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Programmable Inbound & Outbound Calls

Build fully customised call flows for both inbound and outbound calls using a simple, well-documented API — no specialist telephony knowledge required.

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Intelligent Call Routing

Route inbound calls to the right agent, team, or automated flow based on caller ID, language, time of day, or real-time CRM data — every time.

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Call Recording & Transcription

Record every call automatically and generate real-time or post-call transcriptions — giving your team the insights they need to improve performance and compliance.

Fraud Guard

Protect your voice operations with built-in fraud detection, call authentication, and real-time monitoring to prevent toll fraud and unauthorised usage.

Text-to-Speech & Voice Personalisation

Deliver natural-sounding, personalised automated voice messages using advanced text-to-speech technology — available in multiple languages including French and Dutch for the Belgian market.

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Real-time Call Analytics

Monitor call volumes, connection rates, call durations, drop rates, and agent performance in real time — with full historical reporting for continuous optimisation.

CRM & Platform Integrations

Connect Technologiahub Voice API with your existing CRM, helpdesk, or contact centre platform for a fully unified customer communication workflow.

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Global Number Provisioning

Provision local Belgian phone numbers, national numbers, and international numbers instantly — giving your business a trusted local presence wherever your customers are.

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