Integrate Powerful Voice Calling Functionality
into your Applications at a Global Scale

Connect to any Number or Endpoint

Integrate voice calling in your web or mobile app. Call phones, SIP devices, mobile apps or any regular browser.

  • Any Phone Number

    Connect phone calls over PSTN without having to deal with the complexity of telecom carriers in 200+ countries.

  • Browser Based Web Application

    Integrate high quality voice calling into your web application using our pre-packaged javascript based browser SDK.

  • SIP Gateway

    Connect and control your existing SIP infrastructure. Add powerful functionality to your existing systems on the cloud.

  • Mobile Application

    Add voice calling into your iOS and Android apps using our powerful Mobile SDK optimized for battery life.

  • SIP Devices

    Connect to your existing SIP enabled phones. All hardware and software phones that support SIP are supported.


Add essential features and functionality to your voice calls to build and integrate your custom calling experience.

Play Audio Prompts

Play pre-recorded audio files at any time during a call. Create prompts, announcements or music on hold.


Text to Speech

Speak dynamic text in 28 accents across various languages. Choose from female and male voices.


Dual Channel Call Recording

Record, store and retrieve your calls as you like. Recordings are dual channel by default and stored encrypted.


Custom Caller ID

Improve connect rates with your outbound calls. Set custom as your caller id number that you'd like to show up on the end users phone.


Get Digit Input

Collect digits from users keypad during a call. Control your call flow based on such input.


Global Conference Calling

Integrate multi-party calls, audio conferencing into your apps or build advanced contact center functionality.

Advanced Call Control

Control and route your calls in a flexible manner using your application with
features like like call forwarding, call transfer, call whisper, call queue.
  • IVR Menus

    Create multi-level IVRs with flexibility of audio & text for prompts. Direct callers to the right agent, team or department.

  • Call Transfer

    Build advanced contact center experiences with functions like assisted/warm transfer or simply cold transfer.

  • Parallel and Sequential Dialing

    Forward calls to multiple phones at once or in sequential order. Build flexible call hunting sequences.

  • Call Whisper

    Announce custom whisper messages before an incoming call is answered by a sales or support agent to set context.

  • Answering Machine Detection

    Detect if an outbound voice call was answered by a human or an answering machine. Perform next steps accordingly.

  • Voicemail Transcription

    Never Listen to Another Voicemail. Our premium voicemail transcriptions are real time, higher quality and very accurate.

Faster time to Market

Build, Integrate and troubleshoot issues faster. With Plivo focus on building the features that differentiates you and be faster to the market.

Voice API Queueing

Make multiple calls in a single API request. We handle call queueing for you so you don't have to worry about building that.


Text to Speech

Speak dynamic text in 28 accents across various languages. Choose from female and male voices.


Realtime Call Notifications

Receive real-time callbacks over webhooks. Fetch detailed information including call duration, call status, billing info using our API.


Detailed Debug Logs

Debug and troubleshoot issues and problems faster with detailed logs. Drill down to the details to find the root cause.


Server Side SDKs

Program in your web language of choice with our server side SDKs in Java, C#, Python, Ruby, Nodejs or Golang.


Reusable Templates

With a vast library of ready to use templates you can add powerful functionality quickly by writing minimal code.