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Programmable Voice

Getting Started with Programmable Voice

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Make outbound phone calls Respond to incoming phone calls Modify calls in progress Record phone calls Create conference calls Gather user input via keypad Retrieve call logs Consume a real-time Media Stream using WebSockets, Python, and Flask Capture a payment during a call Capture a payment during a call (Generic Pay Connector)Build an Interactive Voice Response (IVR) Phone Tree Build an IVR for Screening and Recording Calls Build Warm Transfers with Twilio Build a Rapid Response Kit with Voice Conference and Broadcasting Track your call data Forward calls Encrypt your voice recordings Make and receive phone calls in the browser Build an Automated Survey with Twilio Programmable Voice Route calls to your SIP network with an outbound call Add programmability to your existing SIP network Record a single side of call

Make emergency calls

Overview Emergency telephone numbers

API Reference

Voice API Overview Application Resource

Call Resource

Overview Call Event Resource Stream Resource UserDefinedMessage Resource UserDefinedMessageSubscription Resource

Archived Calls SIPREC

Conference Resource

Overview Conference Participant Resource

Dialing Permissions Resources

Overview DialingPermissions Country Resource DialingPermissions BulkCountryUpdate Resource DialingPermissions HighRiskSpecialPrefix Resource DialingPermissions Settings Resource

Outgoing Caller ID Payment Resource

Queue Resource

Overview Member Resource

Recording Resource

Overview Recording Transcription

TwiML

Overview Changelog

<Connect>

Overview <Room><VirtualAgent>

<Dial>

Overview <Application><Client><Conference><Number><Queue><Sip>

<Enqueue><Gather><Hangup><Leave><Pause>

<Pay>

Overview <Prompt><Parameter>Pay Connectors Generic Pay Connector

<Play><Record><Redirect><Refer><Reject>

<Say>

Overview Text-to-Speech

<Siprec><Stream>

Media Streams

Media Streams Overview WebSocket Messages

Voice Conference

Voice Insights

Overview Voice Insights Event Streams Voice Insights REST API

Programmable Voice SIP

Overview SIP Quickstart Use SIP with Twilio Voice Inbound - Sending SIP to Twilio Outbound - Receiving SIP from Twilio SIP Registration Secure Media Emergency Calling for SIP Interfaces Inbound SIP REFER to Twilio Making SIP Calls TwiML™ Voice: <Sip>

SIP API

SIP API Overview SIP Credential Resource SIP CredentialList Resource SIP CredentialListMapping Resource SIP Domain Resource SIP Domain Registration CredentialListMapping Resource SIP IpAccessControlList Resource SIP IpAccessControlListMapping Resource SIP IpAddress Resource Emergency Calling for SIP Interfaces API

Bring Your Own Carrier (BYOC) Trunking

BYOC API

BYOC API Overview ByocTrunk Resource ConnectionPolicy Resource ConnectionPolicyTarget Resource SourceIpMapping Resource IpRecord Resource

Client-Side SDKs

Overview Network Connectivity Requirements Error Codes Voice SDK Call Message Events

Android SDK

Overview Getting Started with the Voice Android SDK Edge Locations Using Twilio Voice side by side with WebRTC - Android Changelog API Docs Voice Android SDK FAQ Best Practices

iOS SDK

Overview Getting Started with the Voice iOS SDK Edge Locations Using Twilio Voice side by side with WebRTC - iOS Changelog Migrating to iOS 13 API Docs Voice iOS SDK FAQ Best Practices

JavaScript SDK

Overview Getting Started Twilio.Call Twilio.Device Twilio.Device.audio Twilio.PreflightTest Edge Locations Changelog API Docs Best Practices Migration Guide (v2.0)Version 1.x Resources

React Native SDK

Overview Getting Started with the Voice React Native SDK Changelog API Docs

Best Practices & Troubleshooting

Answering Machine Detection FAQ & Best Practices Voice IP Migration Schedule Update Voice Media IP Migration Security FAQ Testing Voice Media IP Migration Why doesn't my invoice match what I pull from the call logs?Programmable Voice Product Behavior Changes in non-us1 Home Regions How to Share Information Between Your Applications Protect your account with Voice Dialing Geographic Permissions Troubleshooting Voice Calls Limits Failover Best Practices

SHAKEN/STIR

Trusted Calling with SHAKEN/STIR

SHAKEN/STIR Onboarding

Overview Onboarding with Twilio Console Trust Hub REST API - Direct Customers, no Subaccounts Trust Hub REST API - Direct Customers using Subaccounts Trust Hub REST API - ISVs/Resellers with Single, Top-Level Project Trust Hub REST API - ISVs/Resellers using Subaccounts

Interactive Voice Response (IVR)

CNAM

Brand Your Calls Using CNAM

Virtual Agent

Overview Dialogflow CX Onboarding Guide TwiML™ Voice: <VirtualAgent> with Dialogflow CX Connect Virtual Agent (Dialogflow CX) Studio Widget

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SIP IpAccessControlListMapping properties
Create a SIP IpAccessControlListMapping resource

Path parameters
Request body parameters
Fetch a SIP IpAccessControlListMapping resource
Path parameters
Read multiple SIP IpAccessControlListMapping resources
Path parameters
Query parameters
Delete a SIP IpAccessControlListMapping resource
Path parameters

SIP IpAccessControlListMapping properties

Create a SIP IpAccessControlListMapping resource

Path parameters

Request body parameters

Fetch a SIP IpAccessControlListMapping resource

Path parameters

Read multiple SIP IpAccessControlListMapping resources

Path parameters

Query parameters

Delete a SIP IpAccessControlListMapping resource

Path parameters

SIP IpAccessControlListMapping Resource

IpAccessControlListMapping resources contain the list of IpAccessControlList resources associated with this domain. IpAccessControlList resources contain the IpAddress resources that describe the IP addresses with access to the SIP Domain.

When an INVITE is received for a SIP Domain, the source IP address must be in one of the mapped lists to be accepted.

SIP IpAccessControlListMapping properties

Property nameTypePIIDescription

account_sidSID<AC>

The SID of the Account that created the IpAccessControlListMapping resource.

Pattern: ^AC[0-9a-fA-F]{32}$Min length: 34Max length: 34

date_createdstring<date-time-rfc-2822>

The date and time in GMT that the resource was created specified in RFC 2822 format.

date_updatedstring<date-time-rfc-2822>

The date and time in GMT that the resource was last updated specified in RFC 2822 format.

friendly_namestring

PII MTL: 0 days

The string that you assigned to describe the resource.

sidSID<AL>

The unique string that that we created to identify the IpAccessControlListMapping resource.

Pattern: ^AL[0-9a-fA-F]{32}$Min length: 34Max length: 34

Create a SIP IpAccessControlListMapping resource

POST https://api.twilio.com/2010-04-01/Accounts/{AccountSid}/SIP/Domains/{DomainSid}/Auth/Calls/IpAccessControlListMappings.json

Path parameters

Property nameTypeRequiredPIIDescription

AccountSidSID<AC>required

The SID of the Account that will create the resource.

Pattern: ^AC[0-9a-fA-F]{32}$Min length: 34Max length: 34

DomainSidSID<SD>required

The SID of the SIP domain that will contain the new resource.

Pattern: ^SD[0-9a-fA-F]{32}$Min length: 34Max length: 34

Request body parameters

Property nameTypeRequiredPIIDescription

IpAccessControlListSidSID<AL>required

The SID of the IpAccessControlList resource to map to the SIP domain.

Pattern: ^AL[0-9a-fA-F]{32}$Min length: 34Max length: 34

Create a SIP IpAccessControlListMapping resource

Node.js

Python

C#

Java

Go

PHP

Ruby

twilio-cli

curl


_13// Download the helper library from https://www.twilio.com/docs/node/install
_13// Find your Account SID and Auth Token at twilio.com/console
_13// and set the environment variables. See http://twil.io/secure
_13const accountSid = process.env.TWILIO_ACCOUNT_SID;
_13const authToken = process.env.TWILIO_AUTH_TOKEN;
_13const client = require('twilio')(accountSid, authToken);
_13
_13client.sip.domains('SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_13  .auth
_13  .calls
_13  .ipAccessControlListMappings
_13  .create({ipAccessControlListSid: 'ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'})
_13  .then(auth_calls_ip_access_control_list_mapping => console.log(auth_calls_ip_access_control_list_mapping.sid));

Output


_10{
_10  "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
_10  "date_created": "Thu, 30 Jul 2015 20:00:00 +0000",
_10  "date_updated": "Thu, 30 Jul 2015 20:00:00 +0000",
_10  "friendly_name": "friendly_name",
_10  "sid": "ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
_10}

Fetch a SIP IpAccessControlListMapping resource

GET https://api.twilio.com/2010-04-01/Accounts/{AccountSid}/SIP/Domains/{DomainSid}/Auth/Calls/IpAccessControlListMappings/{Sid}.json

Path parameters

Property nameTypeRequiredPIIDescription

AccountSidSID<AC>required

The SID of the Account that created the IpAccessControlListMapping resource to fetch.

Pattern: ^AC[0-9a-fA-F]{32}$Min length: 34Max length: 34

DomainSidSID<SD>required

The SID of the SIP domain that contains the resource to fetch.

Pattern: ^SD[0-9a-fA-F]{32}$Min length: 34Max length: 34

SidSID<AL>required

The Twilio-provided string that uniquely identifies the IpAccessControlListMapping resource to fetch.

Pattern: ^AL[0-9a-fA-F]{32}$Min length: 34Max length: 34

Fetch a SIP IpAccessControlListMapping resource

Node.js

Python

C#

Java

Go

PHP

Ruby

twilio-cli

curl


_13// Download the helper library from https://www.twilio.com/docs/node/install
_13// Find your Account SID and Auth Token at twilio.com/console
_13// and set the environment variables. See http://twil.io/secure
_13const accountSid = process.env.TWILIO_ACCOUNT_SID;
_13const authToken = process.env.TWILIO_AUTH_TOKEN;
_13const client = require('twilio')(accountSid, authToken);
_13
_13client.sip.domains('SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_13  .auth
_13  .calls
_13  .ipAccessControlListMappings('ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_13  .fetch()
_13  .then(auth_calls_ip_access_control_list_mapping => console.log(auth_calls_ip_access_control_list_mapping.friendlyName));

Output


_10{
_10  "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
_10  "date_created": "Thu, 30 Jul 2015 20:00:00 +0000",
_10  "date_updated": "Thu, 30 Jul 2015 20:00:00 +0000",
_10  "friendly_name": "friendly_name",
_10  "sid": "ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
_10}

Read multiple SIP IpAccessControlListMapping resources

GET https://api.twilio.com/2010-04-01/Accounts/{AccountSid}/SIP/Domains/{DomainSid}/Auth/Calls/IpAccessControlListMappings.json

Path parameters

Property nameTypeRequiredPIIDescription

AccountSidSID<AC>required

The SID of the Account that created the IpAccessControlListMapping resources to read.

Pattern: ^AC[0-9a-fA-F]{32}$Min length: 34Max length: 34

DomainSidSID<SD>required

The SID of the SIP domain that contains the resources to read.

Pattern: ^SD[0-9a-fA-F]{32}$Min length: 34Max length: 34

Query parameters

Property nameTypeRequiredPIIDescription

PageSizeintegerOptional

How many resources to return in each list page. The default is 50, and the maximum is 1000.

Minimum: 1Maximum: 1000

PageintegerOptional

The page index. This value is simply for client state.

Minimum: 0

PageTokenstringOptional

The page token. This is provided by the API.

Read multiple SIP IpAccessControlListMapping resources

Node.js

Python

C#

Java

Go

PHP

Ruby

twilio-cli

curl


_13// Download the helper library from https://www.twilio.com/docs/node/install
_13// Find your Account SID and Auth Token at twilio.com/console
_13// and set the environment variables. See http://twil.io/secure
_13const accountSid = process.env.TWILIO_ACCOUNT_SID;
_13const authToken = process.env.TWILIO_AUTH_TOKEN;
_13const client = require('twilio')(accountSid, authToken);
_13
_13client.sip.domains('SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_13  .auth
_13  .calls
_13  .ipAccessControlListMappings
_13  .list({limit: 20})
_13  .then(ipAccessControlListMappings => ipAccessControlListMappings.forEach(i => console.log(i.sid)));

Output


_19{
_19  "first_page_uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/SIP/Domains/SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Auth/Calls/IpAccessControlListMappings.json?PageSize=50&Page=0",
_19  "end": 0,
_19  "previous_page_uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/SIP/Domains/SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Auth/Calls/IpAccessControlListMappings.json?PageSize=50&Page=0",
_19  "contents": [
_19    {
_19      "account_sid": "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
_19      "date_created": "Thu, 30 Jul 2015 20:00:00 +0000",
_19      "date_updated": "Thu, 30 Jul 2015 20:00:00 +0000",
_19      "friendly_name": "friendly_name",
_19      "sid": "ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
_19    }
_19  ],
_19  "uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/SIP/Domains/SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Auth/Calls/IpAccessControlListMappings.json?PageSize=50&Page=0",
_19  "page_size": 50,
_19  "start": 0,
_19  "next_page_uri": "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/SIP/Domains/SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Auth/Calls/IpAccessControlListMappings.json?PageSize=50&Page=50",
_19  "page": 0
_19}

Delete a SIP IpAccessControlListMapping resource

DELETE https://api.twilio.com/2010-04-01/Accounts/{AccountSid}/SIP/Domains/{DomainSid}/Auth/Calls/IpAccessControlListMappings/{Sid}.json

Path parameters

Property nameTypeRequiredPIIDescription

AccountSidSID<AC>required

The SID of the Account that created the IpAccessControlListMapping resources to delete.

Pattern: ^AC[0-9a-fA-F]{32}$Min length: 34Max length: 34

DomainSidSID<SD>required

The SID of the SIP domain that contains the resources to delete.

Pattern: ^SD[0-9a-fA-F]{32}$Min length: 34Max length: 34

SidSID<AL>required

The Twilio-provided string that uniquely identifies the IpAccessControlListMapping resource to delete.

Pattern: ^AL[0-9a-fA-F]{32}$Min length: 34Max length: 34

Delete a SIP IpAccessControlListMapping resource

Node.js

Python

C#

Java

Go

PHP

Ruby

twilio-cli

curl


_12// Download the helper library from https://www.twilio.com/docs/node/install
_12// Find your Account SID and Auth Token at twilio.com/console
_12// and set the environment variables. See http://twil.io/secure
_12const accountSid = process.env.TWILIO_ACCOUNT_SID;
_12const authToken = process.env.TWILIO_AUTH_TOKEN;
_12const client = require('twilio')(accountSid, authToken);
_12
_12client.sip.domains('SDXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_12          .auth
_12          .calls
_12          .ipAccessControlListMappings('ALXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX')
_12          .remove();

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