Our medical group has used the services of CallGroup for years after experiencing many dropped calls, nonfunctional phone lines and poor customer service from other companies. We had a seamless transition to CallGroup and Shamus and his team have been highly dedicated to ensuring our day-to-day phone lines and call schedules run smoothly and efficiently for communication with patients. The system is very user-friendly and the company responds quickly when requesting support or to answer questions. Our telecommunication headache has completely resolved since switching to CallGroup. I highly recommend their service.