B2B Technologies, Inc. is aligned with leading manufacturers and carriers to provide you with the best available options for all of your telecommunications needs.  We are an authorized Zultys and NEC Dealer, and we specialize in the installation and support of many solutions, services, and products.  Our many years of experience allow us to provide round-the-clock service and support on numerous other products, and we pride ourselves in providing the best business phone systems in Chicago.


Our hosted communications solution has the flexibility to support all types of work and workers. Choose from full-featured IP desktop phones, wireless handsets and conferencing systems. If desired, pair with our Accession UC softphone for desktop or mobile devices.

View our Hosted PBX brochure


Zultys, an Award Winning IP PBX Business Phone System Solution that is perfect for organizations from 5-10,000 users across the globe.

View the Zultys microsite for more information.


Wondering what the key differences between a hosted voice system and an on-premise phone system are? We’ve put together a pro and con list comparing both systems to help you make the best decision for your business.


The UNIVERGE SV9100 Communications Server is a robust, feature-rich, Unified Communications enabled system that is ideal for small and medium-sized businesses. Its intelligent design helps to solve today’s communications challenges and is built to scale as your business grows.

NEC SL2100

With NEC’s SL2100, you can ensure that your team stays connected through its wide-range of communication tools that accommodate flexible workspaces and allow free roaming wherever they are.

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