Never miss a
business call again.
Voice infrastructure and a complete communications suite,
for developers building on the API and teams that need it ready today.







Four products. One voice layer.
SIP trunks, programmable voice workflows, AI-native numbers and a full communications suite.
Everything you need to build voice systems that hold up in the real world.
Voice connectivity
Routing, SIP trunking and direct voice access to anywhere your customers pick up.
Explore Connect →Voice intelligence
Route scoring, fraud detection and anomaly monitoring, applied by default.
Explore Optimize →Virtual AI Numbers
Dedicated AI-native numbers. Inbound answering in local languages, configured by voice.
Explore VAN →The complete suite
CRM, dialer, call widget and AI answering, set up for your team.
Explore One →One programmable layer between your business and voice networks.
Every call — inbound, outbound, AI-handled or human-answered — flows through a single layer that routes, automates and monitors in real time.
Every intelligent voice system runs the same loop.
Listen, act, improve. Telroi gives you the infrastructure for every step, with escalation to a human always one event away.
Listen & Understand
Inbound calls land on Telroi numbers (PSTN, SIP, mobile) with sub-200ms pickup. Intent, language and caller history resolve in real time.
Act & Respond
Route to a department, trigger a workflow, write to your CRM, or hand off to an AI agent. One API surface, natural voice replies in local languages.
Monitor & Improve
Every call streams events, recordings and ratings back. Optimize re-scores routes overnight so your voice systems get smarter while you sleep.
Build AI voice systems designed for real calls.
Provision numbers. Route calls. Configure SIP. Manage departments. Trigger outbound. Receive webhooks. Monitor every voice interaction from one API layer.
# Place a call that reads a one-time passcode aloud. --location --request POST \ 'https://app.telroi.ai/v1/otp' \ --header 'Authorization: Bearer tlr_live_xxx' \ --header 'Content-Type: application/json' \ --data '{ "to": "+2348012345678", "code_length": 6 }' # → { "object": "otp", "id": "otp_8f3c...", "to": "+2348012345678", "status": "delivered" }
Voice infrastructure that fits where you operate.
From a single AI receptionist for a small business to high-volume traffic for fintechs, banks and CPaaS platforms. Telroi runs the same primitives at every scale.
AI voice agents
Inbound answering, outbound campaigns and 24/7 receptionists with human escalation always one event away.
SIP trunks & CLI routing
CLI-compliant programmable trunks with route scoring, anomaly detection and global termination.
Hosted PBX & IVR
Departments, extensions, schedules, off-hours routing and voicemail. Fully API-driven.
Voice analytics & QoS
Live route scoring, fraud detection, ASR, wait times and ratings. Streamed via webhooks.
CPaaS & carrier infrastructure
Aggregator-grade voice routing, SIP registrations, branch-PBX bridging and webhook firehose for high-volume traffic.
Banks & regulated voice
Compliant call recording, blacklists, anonymous-call blocking, region-specific outgoing CIDs.
Seamless integrations.
Plug voice directly into the CRM and automation tools your team already runs.

Pipedrive
Call out and log voice activity straight from your pipelines.

Zoho
Compliant voice calling inside your Zoho workflows.

Termii
Messaging and voice on one set of rails.
Zapier
Trigger calls and alerts across thousands of apps, no code.
Connect your preferred AI voice provider.
Use any speech, reasoning or voice provider — or your own.

Google Voice AI
Speech, translation and conversational AI on your call legs.
Deepgram
Real-time multilingual transcription across PSTN, SIP and mobile.

ElevenLabs
Lifelike voice in local languages, synthesised into the call.

OpenAI
GPT-class reasoning over call context, writing back to your systems.

Grok
xAI models for call reasoning, intent and agent decisions.

Claude
Anthropic models for reasoning, summarisation and structured output.
Custom AI models
Your own models over websocket. You handle intelligence, we handle voice.
Not a developer?
We've got you too.
Telroi One gives your team a complete phone system, CRM, desktop dialer and live call widget. One brand, set up for you.
- CRM: contacts, deals, call logs and AI summaries
- Mobile: click-to-call dialer on iOS, Android and your desk
- Live Call: website call widget — every visitor a potential caller
- Virtual AI Numbers: AI answers every inbound call, in any language
Still have questions?
Can't find the answer you're looking for? Our global team is one call away.
Voice infrastructure for
businesses that pick up.
Start with a sandbox key in minutes. Move to production when you're ready. Talk to our team if you're routing serious volume.
Start building with Telroi →