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 6219 Analog Telephone provides the same features as the Avaya 6211 with additional features as well. These include system hold, repertory dialing, program keylock, and personalized ringing. The Avaya 6219 phone is part of the Avaya 6200 series and is designed to integrate seamlessly with Avaya IP Office, Definity, Merlin Legend, and PARTNER phone systems.Avaya 6219 User Guide