Twilio Voice

Twilio Voice connects phone calls to workflows. Use this integration to place outbound calls, list calls, retrieve recordings, and receive call events through a webhook. Supply the call instructions and phone numbers required by the selected operation.

Use the block

Make outbound calls, list calls, retrieve recordings, and receive call events through webhooks.

Actions

Twilio Voice Make Call

Make an outbound phone call using Twilio Voice API.

Inputs and outputs

Input

Parameter	Type	Required	Description
to	string	Yes	Phone number to call in E.164 format (e.g., +14155551234)
from	string	Yes	Your Twilio phone number to call from in E.164 format (e.g., +14155559876)
url	string	No	Webhook URL that returns TwiML instructions for the call (e.g., https://example.com/twiml)
twiml	string	No	TwiML instructions to execute. Use square brackets instead of angle brackets (e.g., [Response][Say]Hello[/Say][/Response])
statusCallback	string	No	Webhook URL for call status updates
statusCallbackMethod	string	No	HTTP method for status callback (GET or POST)
accountSid	string	Yes	Twilio Account SID
authToken	string	Yes	Twilio Auth Token
record	boolean	No	Whether to record the call
recordingStatusCallback	string	No	Webhook URL for recording status updates
timeout	number	No	Time to wait for answer before giving up (seconds, default: 60)
machineDetection	string	No	Answering machine detection: Enable or DetectMessageEnd

Output

Parameter	Type	Description
success	boolean	Whether the call was successfully initiated
callSid	string	Unique identifier for the call
status	string	Call status (queued, ringing, in-progress, completed, etc.)
direction	string	Call direction (outbound-api)
from	string	Phone number the call is from
to	string	Phone number the call is to
duration	number	Call duration in seconds
price	string	Cost of the call
priceUnit	string	Currency of the price
error	string	Error message if call failed

Twilio Voice List Calls

Retrieve a list of calls made to and from an account.

Input

Output

Twilio Voice Get Recording

Retrieve call recording information and transcription (if enabled via TwiML).

Input

Output

Triggers

A trigger starts a workflow when a supported event occurs in this service.

Twilio Voice Webhook

Trigger workflow when phone calls are received via Twilio Voice

Configuration and outputs

Configuration

Parameter	Type	Required	Description
accountSid	string	Yes	Your Twilio Account SID from the Twilio Console
authToken	string	Yes	Your Twilio Auth Token for webhook signature verification
twimlResponse	string	No	TwiML instructions to return immediately to Twilio. Use square brackets instead of angle brackets (e.g., [Response] instead of <Response>). This controls what happens when the call comes in (e.g., play a message, record, gather input). Your workflow will execute in the background.

Output

Parameter	Type	Description
callSid	string	Unique identifier for this call
accountSid	string	Twilio Account SID
from	string	Caller's phone number (E.164 format)
to	string	Recipient phone number (your Twilio number)
callStatus	string	Status of the call (queued, ringing, in-progress, completed, etc.)
direction	string	Call direction: inbound or outbound
apiVersion	string	Twilio API version
callerName	string	Caller ID name if available
forwardedFrom	string	Phone number that forwarded this call
digits	string	DTMF digits entered by caller (from <Gather>)
speechResult	string	Speech recognition result (if using <Gather> with speech)
recordingUrl	string	URL of call recording if available
recordingSid	string	Recording SID if available
called	string	Phone number that was called (same as "to")
caller	string	Phone number of the caller (same as "from")
toCity	string	City of the called number
toState	string	State/province of the called number
toZip	string	Zip/postal code of the called number
toCountry	string	Country of the called number
fromCity	string	City of the caller
fromState	string	State/province of the caller
fromZip	string	Zip/postal code of the caller
fromCountry	string	Country of the caller
calledCity	string	City of the called number (same as toCity)
calledState	string	State of the called number (same as toState)
calledZip	string	Zip code of the called number (same as toZip)
calledCountry	string	Country of the called number (same as toCountry)
callerCity	string	City of the caller (same as fromCity)
callerState	string	State of the caller (same as fromState)
callerZip	string	Zip code of the caller (same as fromZip)
callerCountry	string	Country of the caller (same as fromCountry)
callToken	string	Twilio call token for authentication
raw	string	Complete raw webhook payload from Twilio as JSON string