Voice # Features All the ways you can build an engaging voice experience. [ Start for free ](https://www.twilio.com/try-twilio?ext-anonymousId=41e3b0cd-0aae-4ee7-95e1-2831f75f7664&ext-gaClientId=145528444.1788813719&ext-gaSessionId=1788813714&utm_referrer=https%3A%2F%2Fwww.twilio.com%2Fen-us%2Fvoice%2Ffeatures) ## Make your calls one-of-a-kind Build engaging calling experiences with the highly customizable Voice API. See how its connectivity, programmability, and privacy and security features can fit into your applications. ## Deliver an exceptional voice experience * Network tower with signal [ Global carrier infrastructure ](https://www.twilio.com/en-us/global-infrastructure) Take advantage of unrivaled scaling and carrier redundancies in over 100 countries. * Twilio Elastic SIP Trunking logo [ Elastic SIP Trunking ](https://www.twilio.com/en-us/sip-trunking) Upgrade your business agility by adding global PSTN connectivity and indefinite scaling. * Twilio Interconnect logo [ Interconnect ](https://www.twilio.com/interconnect/) Protect your communications with private, high-quality connections to the cloud. * Twilio SDK logo [ Voice SDK ](https://www.twilio.com/en-us/voice-sdk) Quickly embed Voice into your iOS, Android, or Javascript applications. * Twilio Media Streams logo [ Media Streams ](https://www.twilio.com/media-streams/) Get secure, real-time access to the raw data of your phone calls. * Twilio Voice Insights logo [ Voice Insights ](https://www.twilio.com/voice/insights) Deliver top-of-the-line calling with this real-time call quality monitoring tool. * [ Conversational Intelligence ](https://www.twilio.com/en-us/products/conversational-ai) Turn voice calls into actionable data insights with machine learning and AI. [ Start for free ](https://www.twilio.com/try-twilio?ext-anonymousId=41e3b0cd-0aae-4ee7-95e1-2831f75f7664&ext-gaClientId=145528444.1788813719&ext-gaSessionId=1788813714&utm_referrer=https%3A%2F%2Fwww.twilio.com%2Fen-us%2Fvoice%2Ffeatures) ## Reliable connectivity anywhere in the world * [ Global low latency ](https://www.twilio.com/docs/voice/sdks/javascript/edges) Provide the lowest latency possible to your customers by routing data through one of nine Twilio global edge locations. * [ Web-based VoIP with Javascript ](https://www.twilio.com/docs/voice/sdks/javascript/get-started) Give your customers more communication channels to pick from by adding browser-based VoIP calling to your applications. * [ Mobile VoIP with iOS and Android ](https://www.twilio.com/docs/voice/sdks/javascript) Add mobile VoIP calling for both iOS and Android with Voice SDK resources. * [ Making outgoing calls ](https://www.twilio.com/docs/voice/make-calls) Use the Twilio REST API to make outgoing calls to phones, SIP-enabled devices, and embedded calling endpoints. * [ SIP Interface ](https://www.twilio.com/en-us/voice/sip-interface) Increase your business agility by upgrading your VoIP infrastructure with scalable cloud capabilities. * [ SIP Registration ](https://www.twilio.com/en-us/voice/sip-registration) Connect all your SIP-enabled devices and clients to Voice. No VoIP infrastructure needed. * [ Bring Your Own Carrier Trunking ](https://www.twilio.com/en-us/voice/byoc-trunking) Connect your current PSTN carrier to Twilio’s scalable communication platform. * [ Twilio Super Network ](https://www.twilio.com/en-us/super-network) Twilio’s infrastructure that simplifies, strengthens, and unites global carrier communication networks. ## Build engagement into every step #### Create an engaging calling experience * [ Interactive Voice Response (IVR) ](https://www.twilio.com/en-us/use-cases/ivr) * [ Speech Recognition ](https://www.twilio.com/en-us/speech-recognition) * [ Conversational Intelligence ](https://www.twilio.com/en-us/products/conversational-ai) * [ Text-to-speech ](https://www.twilio.com/docs/voice/twiml/say/text-speech) ![Use IVR to start the conversation before handing off to a live representative.](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_voice-experience.png/_jcr_content/renditions/compressed-original.webp) ![Use IVR to start the conversation before handing off to a live representative.](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_voice-experience.png/_jcr_content/renditions/compressed-original.webp) ![ Control conversations with features such as call recording ](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_call-controls.png/_jcr_content/renditions/compressed-original.webp) ![](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_call-controls.png/_jcr_content/renditions/compressed-original.webp) #### Control and modify calls with ease * [ Call Recording Encryption ](https://www.twilio.com/en-us/call-recording) * [ Dual-channel Recording ](https://www.twilio.com/docs/voice/api/recording) * [ Answering Machine Detection (AMD) ](https://www.twilio.com/docs/voice/answering-machine-detection) * [ Warm Transfers ](https://www.twilio.com/docs/voice/tutorials/warm-transfer-php-laravel) #### Build the Voice API into what you want * [ JavaScript SDK ](https://www.twilio.com/docs/voice/sdks/javascript) * [ Dialogflow ](https://www.twilio.com/docs/voice/twiml/stream/connect-to-dialogflow) * [ Outbound Conference API ](https://www.twilio.com/docs/voice/api/conference-participant-resource) * [ TaskRouter ](https://www.twilio.com/taskrouter) ![Easily start a voice call through a few lines of code ](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_developer-tools.png/_jcr_content/renditions/compressed-original.webp) ![Easily start a voice call through a few lines of code ](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_developer-tools.png/_jcr_content/renditions/compressed-original.webp) #### Highly useful Voice features * [ Embedded Calling (WebRTC) ](https://www.twilio.com/en-us/webrtc) * [ Alerts & Notifications ](https://www.twilio.com/en-us/use-cases/commerce-communications/account-notifications) * [ Call tracking ](https://www.twilio.com/en-us/use-cases/call-tracking) * [ Global conferencing ](https://www.twilio.com/en-us/voice/conference) * [ Masked calling ](https://www.twilio.com/docs/glossary/what-is-masked-calling) ![Use Twilio Voice to notifying your customer through a masked number](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_use-cases.png/_jcr_content/renditions/compressed-original.webp) ![Use Twilio Voice to notifying your customer through a masked number](https://www.twilio.com/content/dam/twilio-com/global/en/products/voice/features/illo_voice_programmability_use-cases.png/_jcr_content/renditions/compressed-original.webp) ## Keep you and your customers’ data secure * [ Emergency Calling ](https://www.twilio.com/docs/voice/sip/emergency-calling) Enable emergency calling to Public Safety Answering Points (PSAPs) in the US, Canada, and the UK. * [ Phone number regulations ](https://www.twilio.com/guidelines/regulatory) To comply with local phone number regulations, we maintain a country-by-country guide of phone number regulatory requirements. * [ Trust Hub ](https://www.twilio.com/en-us/trust-hub) Get verified on all channels in just a few minutes to start building lifelong trust with your customers. * [ STIR/SHAKEN ](https://www.twilio.com/en-us/trust/shaken-stir) Increase your call answer rate and fight against unwanted robocalls and other fraud with the STIR/SHAKEN protocol. * [ ](https://www.twilio.com/pay) Securely accept payments over the phone using self-service tools and agent assistance with Twilio Voice. * [ PCI Compliance ](https://www.twilio.com/en-us/pci-compliance) Twilio Voice is Payment Card Industry Data Security Standard (PCI DSS) Level 1 compliant. * [ HIPAA Compliance ](https://www.twilio.com/en-us/hipaa) Twilio is committed to providing a communication platform that can be trusted by both customers and patients. * [ Private connections ](https://www.twilio.com/en-us/interconnect) Private connections to protect your communications with network‑level security and guaranteed end-to-end quality. ## Start building with Voice Create your ideal voice experience while only paying for what you use. No commitments and pay-as-you-go pricing lets you focus on building engagement for your customers. [ See Voice pricing ](https://www.twilio.com/en-us/voice/pricing/us) [ Start for free ](https://www.twilio.com/try-twilio?ext-anonymousId=41e3b0cd-0aae-4ee7-95e1-2831f75f7664&ext-gaClientId=145528444.1788813719&ext-gaSessionId=1788813714&utm_referrer=https%3A%2F%2Fwww.twilio.com%2Fen-us%2Fvoice%2Ffeatures) ## Let's find the right products for you ## Generating your product picks... ## See your product picks For the best recommendations, tell me your use case, goals, requirements, etc. Generating... Complete Thinking... Finding the best products for your use case R.I.P. Something went wrong. # Generating Toolkit... See your toolkit ## What's in your toolkit ### [ ](https://www.twilio.com/en-us/voice/features) [ View pricing ](https://www.twilio.com/en-us/voice/features) ## Add-ons to enhance your basic toolkit ### [ ](https://www.twilio.com/en-us/voice/features) ## Ask about your toolkit Ask about Twilio products, features, and capabilities. Thinking... We've run into an issue, please try again. Looking for inspiration? Ask me one of these! ## Toolkit summary Did you know you can try these products today with a Twilio account? ### Products ### Add-ons [ Start for free ](https://www.twilio.com/en-us/try-twilio?ext-anonymousId=41e3b0cd-0aae-4ee7-95e1-2831f75f7664&ext-gaClientId=145528444.1788813719&ext-gaSessionId=1788813714&utm_referrer=https%3A%2F%2Fwww.twilio.com%2Fen-us%2Fvoice%2Ffeatures) [ Contact sales ](https://www.twilio.com/en-us/help/owl-sales) Not quite what you're looking for? You can ## Ready, set, build! Resources to get started An icon of a right arrow ## Put the toolkit to use [ Start for free ](https://www.twilio.com/en-us/try-twilio?ext-anonymousId=41e3b0cd-0aae-4ee7-95e1-2831f75f7664&ext-gaClientId=145528444.1788813719&ext-gaSessionId=1788813714&utm_referrer=https%3A%2F%2Fwww.twilio.com%2Fen-us%2Fvoice%2Ffeatures) [ Contact sales ](https://www.twilio.com/en-us/help/owl-sales) Not quite what you're looking for? You can This product recommendation tool is powered by a hybrid AI system (Twilio and OpenAI) and may generate information that is inaccurate or incomplete. Recommendations are algorithmic, not professional advice. You should independently verify this information before use. By using this tool, you agree that your input is processed by both Twilio's internal systems and external OpenAI models to generate a response. You are responsible for any information you share. 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