Avaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished) NEC This Avaya Definity 8405B Basic

This Avaya Definity 8405B Basic Phone is a multiline business phone that has an enhanced design and functionality

24 Programmable Call Appearance

4 fixed feature keys

The Nortel Meridian M2008 handsfree telephone is designed for professionals

Part #: 92550/DX2NA-DSLT

Avaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished) NEC This Avaya Definity 8405B BasicAvaya Definity TN464F Universal DS1 ISDN PRI Interface. More Information Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO, TIE, DID and OPS (Off Premises Stations) port types using the robbed signal protocol, proprietary bit oriented signaling, (BOS) 24th channel signaling protocol, and the DMI BOS 24th channel signaling protocol All versions also support ISDN PRI connectivity TN464E and later provide