The 18 button display telephone is a flexible display telephone with several additional capabilities including centralized system programming.

Features:

2-line x 16 character backlit display
16 programmable buttons with dual LEDs for line or feature appearances
2 fixed intercom buttons
Built-in conference, transfer, hold, and speaker buttons
Hands-free answer on intercom (HFAI)
Full duplex speakerphone
Volume control buttons
Message waiting light
Built-in auxiliary port for connecting tip/ring devices like fax machines, single-line telephones, and answering machines
Adjustable desk stand that can be set to 3 different levels
Wall mountable
Compatible with Partner, Partner Plus, Partner II, or Partner ACS

Partner Original Style and New Style Phone Differences:

The new style Partner telephones have a sleek modern design and improved tactile feel on the handset
Enhanced buttons for faster dialing and to accomodate different hand sizes.
Choice of titanium white instead of the standard white.
Entire Partner telephone line comes with backlit display as standard which allows all phone users to see who is calling. This feature is seen as a "must have" to increase productivity, improve customer service and save valuable time for the business owner.
All models have increased productivity via functions like Caller ID, message waiting indicators, and line appearance LEDs (Red and Green) next to feature buttons make it easier to detect line status.