v53

OpenAPI 3.1.0raw.githubusercontent.com2026-08-041,1941,9384.1 MB

Call Commands

Send SIP info

Sends SIP info from this leg.

Expected Webhooks:

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

post/calls/{call_control_id}/actions/send_sip_info

Path parameters

call_control_idstring required

Unique identifier and token for controlling the call

Request body

bodystring required

Content of the SIP INFO

client_statestring

Use this field to add state to every subsequent webhook. It must be a valid Base-64 encoded string.

command_idstring

Use this field to avoid duplicate commands. Telnyx will ignore any command with the same command_id for the same call_control_id.

content_typestring required

Content type of the INFO body. Must be MIME type compliant. There is a 1,400 bytes limit

Example request

{
  "body": "{\"key\": \"value\", \"numValue\": 100}",
  "client_state": "aGF2ZSBhIG5pY2UgZGF5ID1d",
  "command_id": "891510ac-f3e4-11e8-af5b-de00688a4901",
  "content_type": "application/json"
}

Response

Successful response upon making a call control command.

Example response

{
  "data": {
    "result": "ok"
  }
}