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AI & Automation · Twilio Voice & Messaging Services

Twilio — programmable voice & messaging at scale.

Twilio AI integration services for AI-powered phone calls, SMS automation, and omnichannel messaging — our Twilio voice & SMS automation firm connects your business to customers on every communication channel.

Twilio AI integration services
Programmable voice AI development
AI-powered IVR systems with Twilio
Twilio Flex AI solutions
WhatsApp Business integration
Call centre automation
Twilio Voice & Messaging Services
180+
Countries reachable
Global voice and SMS coverage via Twilio.
99.95%
Uptime SLA
Enterprise-grade reliability for mission-critical comms.
3-in-1
Voice + SMS + WhatsApp
Single platform for all customer communication.
50K+
AI calls handled
LLM-powered agents handling real phone conversations.
Why MetaDesign

Twilio specialists who ship production telephony.

Hire Twilio AI developers — Voice, SMS, WhatsApp — with dedicated Twilio support engineers who get it right.

Programmable Voice

Our programmable voice AI development delivers custom IVR, call routing, recording, transcription, and AI-powered voice agents — all via Twilio's Voice API.

SMS & Messaging

Autonomous SMS AI agents powering transactional SMS, marketing campaigns, two-factor auth, and conversational messaging across SMS, WhatsApp, and Messenger.

Deep Integration

As a Twilio voice & SMS automation firm, we connect Twilio to your CRM, helpdesk, and business systems — automated call logging, ticket creation, and customer context.

Teams shipping with MetaDesign
Selected work

Case studies.

Insurance Provider

AI-powered outbound calling system on Twilio — automated policy renewals and claims follow-ups across 50K customers.

Insurance Provider

AI-powered outbound calling system on Twilio — automated policy renewals and claims follow-ups across 50K customers.

50K
customers reached
35%
renewal uplift

Healthcare Network

Twilio-based appointment reminders and patient engagement — reducing no-shows by 40%.

Healthcare Network

Twilio-based appointment reminders and patient engagement — reducing no-shows by 40%.

40%
fewer no-shows
SMS
+ Voice
CALL.
MESSAGE.
AUTOMATE.
SCALE.

AI Phone Agents

Programmable voice AI development powering LLM-driven agents that handle inbound and outbound calls with natural conversation.

SMS Automation

Appointment reminders, order updates, 2FA codes, and marketing campaigns via programmable SMS.

Smart IVR

AI-powered IVR systems with Twilio replacing touch-tone menus with natural language understanding.

Call Analytics

Call recording, transcription, sentiment analysis, and agent performance dashboards.

Our Approach

Twilio Voice & Messaging Services: Our Proven Process

01

Assess

Audit current telephony and messaging infrastructure, identify automation opportunities.

02

Design

Call flows, messaging workflows, and AI agent conversation design.

03

Build

Twilio API integration with your systems, AI agent development, and testing.

04

Deploy

Production deployment with number provisioning, routing, and monitoring.

05

Optimise

Call quality monitoring, cost optimisation, and conversation improvement.

01

Assess

Audit current telephony and messaging infrastructure, identify automation opportunities.

02

Design

Call flows, messaging workflows, and AI agent conversation design.

03

Build

Twilio API integration with your systems, AI agent development, and testing.

04

Deploy

Production deployment with number provisioning, routing, and monitoring.

05

Optimise

Call quality monitoring, cost optimisation, and conversation improvement.

Customer Value

Six places it pays back
in the first sprint.

Real outcomes our clients report within the first engagement cycle.

Faster time-to-market

Production-ready teams that ship from week one — no ramp-up lag.

Reduced technical risk

Architecture reviews, code audits, and security scans baked into every sprint.

Measurable velocity

Cycle time, PR throughput, and defect density tracked from day one.

Cost predictability

Fixed-price or capped T&M — no surprise invoices, ever.

Continuous improvement

Retros, post-mortems, and process refinement every sprint.

Knowledge transfer

Your team grows. Documentation, pair programming, and workshops included.

Stack

Tools our Twilio Voice & Messaging
Developers
ship with.

Production-tested toolchains, frameworks, and infrastructure our Twilio Voice & Messaging engineering teams use to ship scalable, secure solutions.

Twilio Voice
Twilio SMS
Twilio Flex
Twilio Studio
Node.js
Node.js
Python
Python
TwiML
REST API
Twilio Voice
Twilio SMS
Twilio Flex
Twilio Studio
Node.js
Node.js
Python
Python
TwiML
REST API
OpenAI
OpenAI
Deepgram
Deepgram
ElevenLabs
ElevenLabs
Google STT
Salesforce
Zendesk
HubSpot
Custom CRM
OpenAI
OpenAI
Deepgram
Deepgram
ElevenLabs
ElevenLabs
Google STT
Salesforce
Zendesk
HubSpot
Custom CRM
By the numbers
400+
Engineers worldwide
200+
Active clients
20yr
Pure-play software
94%
Client retention
Engagement models

Three ways to work with our Twilio Voice & Messaging team.

Pick the shape that matches your risk and timeline. We will tell you which one is wrong for your situation — even if it’s the bigger one.

01MOST POPULAR

Twilio Voice & Messaging Pod

A dedicated squad of senior engineers, tech leads, and QA delivering milestone-driven results with weekly demos and eval-gated merges.

  • Dedicated engineering squad
  • Weekly sprint demos
  • Fixed monthly cadence
  • Direct technical lead communication
Build with a Pod
02EMBED

Hire Twilio Voice & Messaging Engineers

Senior specialized engineers embedded into your existing team within two weeks. Your stack, your tools, your standups.

  • 2-week onboarding ramp
  • Time-zone aligned collaboration
  • Direct Git & Jira integration
  • Flexible monthly contracts
Request Talent
03LAUNCH

Turnkey / MVP Build

Go from requirements to production-ready launch in 6–10 weeks with fixed scope, upfront pricing, and guaranteed delivery.

  • Fixed-price & fixed-scope
  • End-to-end architecture & build
  • Complete source code ownership
  • Post-launch warranty & support
Start Your Build
FAQ

Asked first, every time.

Don't see yours here? Send us the question — a principal engineer will reply within 24 hours.
Yes. Our Twilio AI integration services connect Twilio Voice with LLMs, speech-to-text, and text-to-speech to create AI agents that handle real phone calls with natural conversation.
Twilio pricing is usage-based — typically $0.013/min for voice and $0.0079/SMS in the US. We optimise architectures to minimise costs while maintaining quality.
Yes. Our Twilio Flex AI solutions migrate you from legacy PBX, Avaya, or Genesys to Twilio Flex — preserving phone numbers, call flows, and adding AI capabilities.
Yes. When you hire Twilio AI developers from MDS, we build omnichannel bots using Twilio's Messaging API across WhatsApp, SMS, MMS, and Facebook Messenger from a single API.
Twilio Flex AI automates routine inquiries, provides real-time agent assist prompts, and intelligently routes complex issues, drastically reducing average handle time and improving overall contact center throughput.
Yes, we build programmable voice AI systems using Twilio that can execute intelligent outbound campaigns, qualify leads through natural conversation, and seamlessly transfer hot leads to human agents.
Twilio AI integrations require a deep understanding of telephony protocols, low-latency API orchestration, and LLM behavior. Specialized developers ensure the system is scalable, cost-efficient, and secure.
We enforce strict webhook signature validation, PII redaction before logging, and adherence to carrier compliance standards (like A2P 10DLC) to ensure secure and reliable SMS automation.
Yes. We integrate Twilio Media Streams with powerful speech-to-text models to generate accurate, real-time call transcriptions and utilize LLMs to produce concise post-call summaries.
We implement robust data anonymization, secure data storage pipelines, and configurable retention policies within the Twilio ecosystem to ensure full compliance with GDPR and other data privacy regulations.

Build on Twilio with communication specialists.

Tell us about your project. We'll come back with a plan, a timeline, and the right team — no obligations.

Book a Call
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