---
title: "Send SIP info"
method: POST
path: "/calls/{call_control_id}/actions/send_sip_info"
tags: ["Call Commands"]
---

# Send SIP info

`POST /calls/{call_control_id}/actions/send_sip_info`

## Request

- Base URL: `https://api.telnyx.com/v2`
- URL: `https://api.telnyx.com/v2/calls/{call_control_id}/actions/send_sip_info`
- Auth: HTTP bearer

Sends SIP info from this leg.

**Expected Webhooks:**

- `call.sip_info.received` (to be received on the target call leg)

## Path parameters

- `call_control_id` string, required

## Request body

- SendSIPInfoRequest
  - `content_type` string, required: Content type of the INFO body. Must be MIME type compliant. There is a 1,400 bytes limit
  - `body` string, required: Content of the SIP INFO
  - `client_state` string: Use this field to add state to every subsequent webhook. It must be a valid Base-64 encoded string.
  - `command_id` string: Use this field to avoid duplicate commands. Telnyx will ignore any command with the same `command_id` for the same `call_control_id`.

## Response `200`

Successful response upon making a call control command.

- object
  - `data` CallControlCommandResult
    - `result` string

## Other responses

- `422`: Unprocessable entity. The request was well-formed but could not be processed due to semantic errors. This includes validation errors, invalid parameter values, call state errors, conference errors, queue errors, recording/transcription errors, and business logic violations.
- `default`: Unexpected error

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api/llms.txt) - [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api/revisions/0f17b8167873?raw)