The Mitel MiVoice Office 250 is a flexible and scalable hybrid solution with the power to transform your small to mid-size business. Experience a digital / IP platform that combines the best of IP telephony and traditional digital-based phone system architectures. The MiVoice Office 250 has adaptable IP networking that provides the ability for up to 99 sites to be connected together with full feature transparency, meaning it can easily evolve and grow as your business does.