Panasonic KX-TDA6174 ESLC16 Single Line Extension Card Conference Phones Bizfon 680 expansion units add

Bizfon 680 expansion units add an additional 6 income analog line trunks (FXO) and 8 phone lines (FXS) to your system

Adtran NetVanta 3305 2nd Gen Modular Router 1202880E1 Description:

The BSTU1A is designed for the Toshiba Stata phone systmes

ESI 48 Key H BL DFP Phone

Panasonic KX-TDA6174 ESLC16 Single Line Extension Card Conference Phones Bizfon 680 expansion units addPanasonic KX TDA6174 ESLC16 Description: Panasonic KX TDA6174 ESLC16 Single Line Extension Card Panasonic KX TDA6174 Features: 16 Ports 4 Port Power Failure Transfer 16 DTMF Receivers Compatibility: Panasonic TDA600 Panasonic TDE600 Includes: (1) Panasonic KX TDA6174 ESLC16 Single Line Extension Card