White Data Systems India Private Limited

Founded in 2011, CallHub is an easy to use and award winning voice broadcasting, phone banking and SMS broadcast software that seamlessly integrates with users' existing systems. They are used across 200 countries and world renowned campaigns run by Uber, Greenpeace, Harvard University, Princeton University, Change.org, Save the Children, United Workers Union, among many others.

Check out the video below for a sneak peek into the product!

CallHub, headquartered in Washington DC, is the leading digital organizing platform for political campaigns, nonprofits, advocacy groups, and businesses seamlessly interact with their audiences worldwide.

The product

Their call center software enables unlimited agents to connect with people over a call to have personalized one-on-one conversations. The range of automated dialers (which include Power, Preview, Predictive, and Fast Click dialers) gives clients complete control over their dialing speed based on your needs while maintaining compliance. With features like answering machine detection, voicemail drop, phone number verification, and many more, the software ensures you spend maximum time having quality conversations. CallHub's mass texting solution lets users connect with people over SMS with solutions like Bulk SMS, MMS, SMS Opt-in and peer-to-peer texting.

Integra Magna is a design and tech-first creative studio where designers, developers, and strategists collaborate to build meaningful brands and digital experiences. With 10+ years of industry experience and work across 100+ global brands, primarily in the UAE and the USA, the team focuses on end-to-end branding, UI/UX design, and website development. The studio’s work is recognised with a 4.9 rating on Clutch and an Awwwards honour, reflecting a strong culture of quality, ownership, and craft.

One2N is a boutique technology consulting firm that helps fast-growing companies build and scale high-performance backend systems. As startups evolve from MVP to tens of thousands of users, the engineering challenges change dramatically — and we specialise in solving exactly those problems. Our work ensures that scaling, reliability, and performance never become bottlenecks to growth.

With deep expertise in Site Reliability Engineering, Cloud Infrastructure & DevOps, Data Engineering, and Backend Architecture, we partner with engineering teams to design, build, and operate resilient cloud-native systems. We believe in pragmatic, impact-driven engineering — creating solutions that are robust today and adaptable for tomorrow, so teams can ship faster, stay reliable, and scale confidently.

LetsIntern is a trusted student internship platform in India dedicated to bridging the gap between academic learning and real-world industry experience. We provide training cum internship programs designed for students who want practical skills, hands-on project exposure, and career-ready confidence.