# Airtel SIP Trunking

Connect Airtel Business SIP trunks to Bolna voice agents for high-capacity enterprise calling in India. Carrier-grade reliability for large scale deployments.

## How Airtel SIP Trunking fits in the stack

### Best for
Making and receiving real phone calls at production scale.

### Use this layer when
You need numbers, trunking, call routing, or carrier control.

### Connects to
STT, LLM, TTS, and workflow actions inside the live call.

## Telephony is the calling layer

This provider connects Bolna to the phone network. It controls how calls start, where they route, which numbers you use, and how the audio enters your agent pipeline.

### Voice Stack

- **Telephony**
- **Phone Network**
  - STTListener
  - LLMReasoning
  - TTSVoice
  - ToolsActions

This page focuses on where Airtel SIP Trunking fits in a production voice stack. For full setup steps, credentials, and API details, use the documentation link above.

# Overview

Airtel Business provides enterprise SIP trunking services backed by India's leading telecom carrier infrastructure. With Bolna's Airtel SIP integration, you can leverage Airtel's premium network quality, high-capacity trunks, and enterprise SLAs for mission-critical voice agent deployments.

For generic SIP concepts, see our [Generic SIP Trunk Guide](/content/integrations/sip-generic/index.html).

## Features & Use Cases

**Carrier-Grade Infrastructure**

Direct access to Airtel's nationwide carrier network with premium quality.

**Enterprise SLAs**

99.9%+ uptime guarantees with dedicated support and account management.

**High Capacity**

Support for high concurrent call volumes with dedicated trunk capacity.

**PRI Replacement**

Modern SIP alternative to legacy PRI lines with better scalability.

**Use Case: Enterprise Contact Centers**

Power large-scale contact center operations with carrier-grade SIP trunks.

**Use Case: Banking & Financial Services**

Deploy mission-critical voice agents with enterprise reliability and compliance.

## Other providers in this layer

- [Telephony **Exotel**](/content/integrations/exotel/index.html)
- [Telephony **Plivo**](/content/integrations/plivo/index.html)
- [Telephony **Twilio**](/content/integrations/twilio/index.html)

## Keep exploring the voice stack

- [Browse **Telephony**](/content/integrations/telephony/index.html)
- [Browse **Large Language Models**](/content/integrations/llm/index.html)
- [Browse **Speech-to-Text**](/content/integrations/stt/index.html)
- [Browse **Text-to-Speech**](/content/integrations/tts/index.html)
- [Browse **Tools & Workflows**](/content/integrations/tools/index.html)

## See where Airtel SIP Trunking fits in your production workflow

Use the demo to walk through provider selection, stack tradeoffs, and the exact workflow you want Bolna to automate.