Partner MLS-6 Telephone Partner MLS-6 Features 4 programmable buttons with dual LEDs for line or feature appearances Built-in conference, transfer, hold, and speaker buttons Speakerphone for internal hands free operation; Monitor speaker only Message waiting light

Compatibility The Partner MLS-6 Telephone is compatible with Partner Communications System, Partner Plus, Partner II, and Partner ACS Requires available expansion port on 206, 206E, 206EC, 308EC, or 012E module