SIP Refer a call

POST 
/calls/:call_control_id/actions/refer

Initiate a SIP Refer on a Call Control call. You can initiate a SIP Refer at any point in the duration of a call.

Expected Webhooks:

• call.refer.started
• call.refer.completed
• call.refer.failed

Request

Path Parameters

call_control_id stringrequired

Unique identifier and token for controlling the call

application/json

Body

required

Refer request

sip_address stringrequired

The SIP URI to which the call will be referred to.

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 execution of duplicate commands. Telnyx will ignore subsequent commands with the same command_id as one that has already been executed.

custom_headers

object[]

Custom headers to be added to the SIP INVITE.

Array [

name stringrequired

The name of the header to add.

value stringrequired

The value of the header.

]

Custom headers to be added to the SIP INVITE.

sip_auth_username string

SIP Authentication username used for SIP challenges.

sip_auth_password string

SIP Authentication password used for SIP challenges.

sip_headers

object[]

SIP headers to be added to the request. Currently only User-to-User header is supported.

Array [

name stringrequired

Possible values: [User-to-User]

The name of the header to add.

value stringrequired

The value of the header.

]

SIP headers to be added to the request. Currently only User-to-User header is supported.

Responses

200: Successful response upon making a call control command.

application/json

• Schema
• Example (from schema)

Schema

data

object

result string

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

default: Unexpected error

application/json

• Schema
• Example (from schema)

Schema

errors

Error[]

Array [

code integerrequired

title stringrequired

detail string

source

object

pointer json-pointer

JSON pointer (RFC6901) to the offending entity.

parameter string

Indicates which query parameter caused the error.

meta object

]

{
  "errors": [
    {
      "code": "string",
      "title": "string",
      "detail": "string",
      "source": {
        "pointer": "string",
        "parameter": "string"
      },
      "meta": {}
    }
  ]
}

Callbacks

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