Callbox VS Greenstone Digital Library

Founded in 2004, Callbox is trusted by enterprise and scaling businesses in the USA, Canada, Singapore, Australia, Latin America, and throughout the world for lead generation, sales appointment setting, and outbound sales development. Using an account-based marketing approach in reaching a global database of contacts from over 35 million businesses, Callbox enables companies to establish and expand markets by connecting with prospects through six lead generation avenues: voice, email, social, chat, website and live events/webinars.

To increase sales productivity, Callbox provides support to its clients by giving their sales teams access to a full stack of sales and marketing tools that drive up lead gen and qualified opportunities. Equipped with decades of marketing expertise and powered by intuitive sales technology, Callbox helps companies grow their business exponentially.