Poor call quality is not only frustrating but also detrimental to your business operations. So when deploying your Voice over Internet Protocol (VoIP) service, take a proactive approach and learn about possible call quality issues you might experience.
VoIP call quality issues and how to fix them
Call-quality issues for internet phones

Many people assume that a landline from established local telco is what their office needs, but the truth is there are much better options. VoIP (Voice over IP) lets you make calls over the internet and enjoy convenience, simple set-up, and all the features of a traditional phone system, for less money.