OnSIP vs Star2Star

OnSIP is a business VoIP solution provider founded in 2004 and based in Manhattan, New York. They serve over 100,000 SMBs across various industries. Their services include unified communication tools like softphone apps, remote work tools, website chat, and video conferencing. You can build your own hosted VoIP plan or bundle all features to save costs. OnSIP's cloud-hosted PBX offers call management and secure communication services, including end-to-end encryption, SDES-SRTP encryption, customizable anti-spam filters, geographically distributed cloud, industry-leading reliability, and call routing and recording features. They have an excellent reputation and received multiple awards, including the Excellence in Customer Service Award from Business Intelligence Group for 2019-2023 and recognition as a FrontRunner in 2024 by Software Advice. They have an A+ rating with no complaints from BBB and receive positive feedback from users.

Star2Star provided innovative services to managed service providers, small and big businesses, and other organizations from the beginning of cloud-based Unified Communication (UC) solutions. Blended Architecture, their secret sauce, brought together all their communication tools—video, audio, fax, IM, and presence management—into one user-friendly platform. With tens of thousands of sites throughout the globe, Star2Star served approximately 10,000 enterprises in a wide range of sectors. A recent customer satisfaction study found that they maintained an extraordinary reputation for quality, earning 92%. This was far higher than the typical ratings in the telecom sector. Star2Star ceased operations after being acquired by Sangoma in 2021. However, their services are still accessible through Sangoma's portfolio. Anyone interested in learning more can peruse Sangoma's most recent product catalog and support materials.