White Label SMS

White Label Voice Calling SDK & API for iOS, Android & Web Platform

Incorporate powerful calling features into your web or mobile applications using our voice calling SDK. Make and receive IP calls or PSTN calls from anywhere with an audio call API

Quick Solution For Your Voice Communication Needs

PSTN Calling

Make calls from a web or mobile application to customers mobile or landline numbers. Similarly, receive calls from customers directly on your application without worrying about call routing

Seamless Integration

Use our well documented & light weight Voice Calling APIs to easily & quickly integrate calling features into a web or mobile application. SDK’s available include browser based, IOS applications and voice call api android. SDK’s for applications on React Native and Flutter framework are in the pipeline

Flexible & Quick Deployment

Choose to deploy voice call api on AWS cloud or on premise. Easily deploy with the availability & expertise of our technical/support team

White Labelling

Carry/Retain your brand with our white labelling offering of VOX CPaaS Voice product allowing you to market it as your own or choose to white label bundle of VOX CPaaS products based on business requirements

Scalable & Secure

Voice calling API is built on modern cloud computing AWS platform clubbed with our proprietary protocol making it highly scalable on the go to cater to dynamic business requirements. Our product empowers developers to build secure voice communications including enabling additional authentication for SIP traffic

Selfcare Developer Portal & Dashboard

Easy to use interfaces to manage accounts, customers, projects, billing, and a wide range of analytics to get an insight on costs, traffic in turn helping businesses to streamline their strategies

Transparent Billing & Rate Management

Integrated Pulse based billing system to split charges based on incoming, outgoing calls ensuring accuracy & transparency. Our billing system supports 1/1, 15/15, 30/30 and 60/60 pulse billing. Prepaid or Pay as you go options available. Flexi rate plans & admin portal for managing customer billing

Personalized In App Communication

Reach customers to engage or support them at the right time by calling them with a single click from a web or mobile application. Personalize voice communication & deliver the right information at one go with access to data at your fingertips all from within your application; save time & increase productivity without having to switch between applications

Technical Specifications

Inbound and Outbound App to App calls using proprietary protocol
SDK’s available for JavaScript & WebRTC supported browsers, Android & IOS
SDK’s for applications on React Native and Flutter framework are in the pipeline
Integrate with other API’s based on the required capabilities
Enable or Disable authentication for SIP traffic

Ability to whitelist IP address for SIP traffic
Proprietary stateless/sessionless protocol
Media exchange is via SRTP from SDK
Signaling is encrypted via TLS
Multiple codecs supported for HD & SD calling
wav, .mp3 files, text supported for IVR campaigns
200k concurrent voice calls and 10M users with AWS r4 2x large server

Key Benefits

Multi Tenancy

Multi tenancy supported secure developer portal empowers you to manage your projects independent of each other; equipped with plethora of analytics & configuration options thereby allowing a great deal of customization, reuse & future planning.

In House Expertise

Our proprietary products are crafted by industry skilled in-house technical teams consisting of developers, support engineers who are continuously mentored by leaders with decades of domain experience.

Regulatory Compliance

Our voice call integration API complies with telecom & country specific regulations, can be made compliant in new markets as per the regulatory requirements.

Modern Infrastructure

Our voice call solution is built on highly modern & scalable architecture thereby allowing you to easily upscale for future growth without huge investment on infrastructure, technical resources, time & money. Cloud ready platform, Cloud storage to name a few.

Elevate Communication with Our White Label Voice Calling SDK & API

Revolutionize your web and mobile applications by integrating powerful calling functionalities using our cutting-edge voice calling SDK. Unlock the potential to make and receive IP or PSTN calls from anywhere through our advanced audio call API. Experience top-tier voice calling software services that elevate communication to new heights.

Solving Your Voice Communication Needs with Speed and Efficiency:

Immerse yourself in personalized in-app communication. Seamlessly engage and support customers in real-time by initiating calls with a single click from your web or mobile application. With the ability to personalize voice communication, you can efficiently deliver crucial information within your app, leveraging data at your fingertips. Say goodbye to application switching and hello to increased productivity. Explore our comprehensive voice calling SDK services that empower your applications with advanced communication capabilities.

Harness the Power of PSTN Calling:

Seamlessly connect with customers’ mobile or landline numbers directly from your application. Bid farewell to call routing concerns as you effortlessly receive customer calls within your app environment.

Seamless Integration for Enhanced Communication:

Effortlessly integrate comprehensive calling features into your web or mobile application using our lightweight, well-documented Voice Calling APIs. Choose from browser-based, iOS, and Android SDKs, while anticipating future compatibility with React Native and Flutter frameworks.

Swift and Versatile Deployment Options:

Select either AWS cloud or on-premise deployment for your voice call API. Our expert technical support team ensures a seamless deployment process, granting you the flexibility to adapt your communication strategy to suit your unique requirements.

Empower Your Brand with White Labeling:

Leverage our white labeling offering for the VOX CPaaS Voice product to infuse your brand identity into the solution. This allows you to present the product as your own or explore white label bundles tailored to your business needs. Elevate your application’s communication capabilities with our role as a leading voice calling SDK provider.

Unmatched Scalability and Security:

Our voice calling API is built on modern AWS cloud computing, enhanced with a proprietary protocol that ensures exceptional scalability. Empower your developers to construct secure voice communications, including heightened authentication for SIP traffic.

Navigate Your Operations with Ease:

Benefit from the user-friendly Selfcare Developer Portal & Dashboard. Manage accounts, customers, projects, billing, and gain valuable analytics insights to streamline your business strategies.

Transparent Billing and Rate Management:

Our integrated pulse-based billing system ensures precise and transparent charges for incoming and outgoing calls. Choose from various pulse billing plans (1/1, 15/15, 30/30, 60/60) and enjoy prepaid or pay-as-you-go options, all managed through a flexible admin portal.

Technical Excellence at Your Fingertips:

Enable inbound and outbound app-to-app calls using our proprietary protocol.
Leverage SDKs for JavaScript, WebRTC browsers, Android, and iOS.
Future-proof with upcoming SDKs for React Native and Flutter frameworks.
Seamlessly integrate with other APIs based on your application’s needs.
Control SIP traffic authentication and IP address whitelisting.
Employ a secure, proprietary stateless/sessionless protocol.
Ensure secure media exchange via SRTP from the SDK.
Encrypt signaling with TLS for enhanced security.
Support multiple codecs for both HD and SD calling.
Utilize wav, .mp3 files, and text for versatile IVR campaigns.
Accommodate 200k concurrent voice calls and 10M users using AWS r4 2x large server.

Empower Multi-Tenancy for Enhanced Management:

Our secure developer portal supports multi-tenancy, granting you comprehensive project management control. Benefit from extensive analytics and configuration options, fostering customization, reusability, and forward planning.

In-House Expertise for Outstanding Results:

Our industry-expert in-house teams, comprising skilled developers and support engineers, continuously guided by seasoned leaders, craft our proprietary products, ensuring continuous innovation and excellence. Voice calling app development is now made easier using our voice calling SDK & API.

Regulatory Compliance and Forward-Looking Infrastructure:

Rest assured with our API’s adherence to telecom and country-specific regulations. Our solution is primed for compliance in new markets based on regulatory requirements. Embrace the future with our modern, scalable infrastructure that facilitates easy expansion without extensive investments in infrastructure, resources, time, or money. Experience cloud readiness and storage, among other cutting-edge features.

Elevate communication capabilities with our White Label Voice Calling SDK & API, designed to unlock advanced communication potential for your applications.