# SIP Trunking

> Edesy SIP trunking for India. Termination trunks for outbound calls, inbound routing of Indian numbers to any SIP URI, bring-your-own-carrier, and setup guides for FreePBX, LiveKit Cloud, Grok, Dograh, Vapi, Retell and Bolna.

Source: https://edesy.in/docs/sip-trunking

Edesy SIP trunking connects your PBX or AI voice-agent platform to the Indian phone network. A **termination trunk** gives you a SIP host to dial out through, and any Edesy number can send its **inbound** calls to a SIP URI you choose. Calls cost Rs 0.50 per minute with a 60-second pulse, and unanswered calls are free.

> **Ready to connect?** Sign in at [voice-app.edesy.in](https://voice-app.edesy.in), create a trunk under **SIP**, and place a test call from the trunk page. See the [Quick Start](https://edesy.in/docs/sip-trunking/getting-started/quick-start).

## What is available today

| Capability | Details |
|---|---|
| Termination trunks | One SIP host per trunk (`tk-<id>.trunk.edesy.in`), port `5070`, UDP or TCP |
| Authentication | IP/CIDR allowlist, or SIP digest credentials (with registration) |
| Concurrency | Per-trunk maximum concurrent calls, 1 to 10,000 (default 50) |
| Inbound routing | Any Edesy number to a SIP URI or a saved SIP destination, with optional digest credentials and custom SIP headers |
| Testing | Outbound and inbound test calls from the trunk page, and a test call on every saved destination |
| Codecs and DTMF | G.711 μ-law and A-law, RFC 2833 / RFC 4733 DTMF |
| Bring your own carrier | Recipes for Twilio Elastic SIP, Telnyx, Vonage, Plivo and a generic PBX |
| TLS and SRTP | Available on request |

## Where to start

- **You run a PBX** (FreePBX, Asterisk): follow the [FreePBX 17 guide](https://edesy.in/docs/sip-trunking/guides/freepbx-17-pjsip).
- **You run an AI voice agent** on LiveKit Cloud, Vapi, Retell, Bolna, Dograh or xAI Grok: see [Guides](https://edesy.in/docs/sip-trunking/guides/livekit-cloud). For the API side of connecting an agent (numbers, calls, WebSocket streaming), see [SIP Trunking for AI Voice Agents](https://edesy.in/docs/sip-trunk-for-ai-voice-agents).
- **You already have a carrier** and want to route it through Edesy: see [Bring Your Own Carrier](https://edesy.in/docs/sip-trunking/byoc).

New to the product? See the [SIP trunking overview](https://edesy.in/sip-trunking) and [pricing](https://edesy.in/sip-trunking/pricing).