NEC DSX IntraMail 8-Port 16-Hour Voicemail (1091013) Handsets 16 analog FXS ports are

16 analog FXS ports are included for connecting legacy analog equipment

The Adtran 1200346L2 is an Atlas 550 module that provides four T1 ports and one HSSI interface for high-speed data applications

As an analog conference phone

3 Softkeys and Menu Navigation Keys

It provides an additional two daughterboard slots for expanding your system's capabilities

NEC DSX IntraMail 8-Port 16-Hour Voicemail (1091013) Handsets 16 analog FXS ports areNEC DSX IntraMail (1091013) Description: The NEC IntraMail 1091013 voicemail card is designed for the DSX phone systems, providing eight ports and sixteen hours of messages. This simple plug and play card features flexible answering schedules, dial by name, caller ID with return calling, call screening, message forwarding, transfer to mailbox, and so much more! NEC 1091013 Features: 8 Port 16 Hours Simple Plug and Play Flexible Answering Schedules