Cisco Systems

7-port voice/fax expansion module - 3FXS/4FXO

2 port Multiflex Trunk Voice/Clear-channel Data T1/E1 Module

one-port Analog Modem Interface card

6-port voice/fax expansion module - FXO

4-port Network Interface Module - BRI (NT and TE)

High density voice/fax extension module - 8 FXS/DID

1-Port ISDN WAN Interface Card (dial and leased line)

4-Port Network Interface Module - Ear and Mouth

4-Port Network Interface Module - FXS, FXS-E and DID

4-Port Network Interface Module - FXS, FXS-E and DID