Tilgin Vood 452_A DSL VOIP Gateway Router, ADSL2+, 2 FXS, 4 Port 10/100, Manual

Grandstream HandyTone-386 Dual FXS Port Analog Telephone Adaptor

Tellabs 826923 (aka as the 6923), which isa 2wire FXS SF signaling set module

Northern Telecom 6 Channel FXS Card NCT1KTYAAA 3010-291-1 Board F-3010-200A-111

Nokia Alcatel-Lucent 3HE02780BAAD01 A6-FXS Control & Switching Module 3HE02780BA

Premisys 600-8129 FXS 2W*8-6 Interface Card 259-5001-117 REV A3

TELLABS 82.6123A NCXFT811AA 2W FXS SF SIGG ST MOD

Pair CTC Union's FRM220-FXO/FXS-4 4 Telephone Lines Over Fiber Media Converters