It is recommended to upgrade this Avaya Product soon.
This analog phone uses a line for voice, giving you one voice channel. Fax and some alarm companies also use analog lines.
The Avaya Partner 6 Series 2 offers an informative display and four programmable line / feature keys. Features include two intercom buttons and dual red and green LED indicator lights. It’s a cost-effective solution built to make call management easier even during busy periods.Avaya Partner 6D Series 2 User Guide