If your business is still running a ShoreTel or MiVoice Connect phone system, now is the time to start planning your next move. Mitel has announced it will officially end development and active support for these platforms on December 31, 2025, leaving businesses with unsupported systems, rising costs, and increased risk. This article will help you understand what’s changing, what to look for in a new provider, and which business phone providers are best positioned to help.