AT&T Syn248 accepts external music on hold player. Previous AT&T Syn248 Phone With Music On Hold Review Get the latest from Easy On Hold Get free resources, news, and tips to help improve your customer experiences in our monthly newsletter. Related Stories 7 Benefits of IVR Professional Voices April 15, 2026 Why AI-Generated Voice Is the Future of On-Hold Messaging April 8, 2026 Elevate Your Music (Not Elevator Music) March 30, 2026
