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 Why 50 Words? The Message On Hold Script Guide February 20, 2026 The Death of Hold Music: Big News or Big Hype? February 10, 2026 Switchvox Streaming Music on Hold: The Best Ways to Stream Audio January 23, 2026
