Avaya 8520T ISDN Phone (Black/Refurbished) Cards

Avaya 8520T ISDN Phone (Black/Refurbished) CardsThe 8520T voice data terminal is used with the ISDN communication system through a 4 wire T interface. Key Features: Mnfr. Part #: 3116 001 20 programmable buttons, each with a red and green status light 9 fixed feature buttons ISDN terminal Large supertwist LCD; 7 lines, 24 characters Call logs keep track of 60 recent calls Buttons for the Mute, Redial, Conference, Drop, Transfer, and Hold features Speakerphone which can also be optioned as a listen

The Mitel 5224 phone works with:

Includes external music port (3

and 24 IP trunks

Built-in speakerphone for full Handsfree operation

stationary 4-line x 80 character display

Cell phone dialing via headset cable connection - great for group conferencing where there is no telephone line

20 on the 824 for new features

The Mitel Superset 4001 Single-Line Phone is a digital single line telephone that has an enhanced design and functionality

The 4SLIU-S in not rated for OPX use

Required to support background music/music on hold (2 channels)

3 line x 24 character backlit display

16 or higher