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Overview

Tig.ai’s telephony integration provides a unified interface for connecting supported providers and routing inbound calls to your agents.

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Supported Providers

Twilio

Industry-leading cloud communications platform with global reach

Telnyx

Receive calls through Telnyx Call Control

SIP

Receive calls through the SIP number assigned to an agent

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Configuration

All telephony providers are configured from a single page in Tig.ai:
  1. Navigate to /telephony-configurations and click Add configuration
  2. Select your provider
  3. Enter your credentials and save
  4. Open the new configuration and add at least one phone number
  5. (Optional) Assign an Inbound workflow to a phone number to enable inbound calling
A single workspace can hold multiple configurations and multiple phone numbers per configuration. Assign an inbound workflow to each number that should receive calls.

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Common Features

The telephony integration in Tig.ai supports:
  • Inbound Calls: Route incoming calls to the right voice agent — see the Inbound Calling guide
  • Call Transfer: Transfer an in-progress call to a human or another number (provider-dependent)
  • Call Status Tracking: Monitor call lifecycle events (initiated, ringing, answered, completed, failed)
  • WebSocket Audio Streaming: Real-time, bidirectional audio between caller and agent
  • Webhook Signature Verification: Inbound webhooks are verified against the matched configuration’s credentials

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Inbound Calling

Inbound calls use a single org-wide webhook URL:
Tig.ai resolves the org from the webhook’s account credentials and the agent from the called number’s Inbound workflow assignment. See Inbound Calling for the full setup.

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Troubleshooting

  • Verify credentials are correctly configured
  • Check phone number format (E.164 — the international standard: a +, then country code, then the number, no spaces or dashes, e.g. +1234567890)
  • Ensure webhook URLs are publicly accessible
  • Review provider-specific error logs
  • Check network bandwidth and latency
  • Verify audio codec compatibility
  • Review WebSocket connection stability
  • Confirm auth tokens / API secrets match between provider and Tig.ai configuration
  • Verify webhook URL matches exactly (including the /inbound/run path)
  • Check for proxy or load balancer modifications

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Next Steps