Grand stream is a company that specializes in developing and manufacturing IP phones for businesses. Their products are... moreGrand stream is a company that specializes in developing and manufacturing IP phones for businesses. Their products are known for their high quality, reliability, and advanced features that are designed to meet the needs of modern businesses. In this article, we will take a look at some of the benefits that Grand stream IP phones can offer businesses and explore how they can help to improve communication and productivity.