Ward Beck Analog Distribution Amp DA with 12 cards and 11 back planes

Telos Zephyr xstream ISDN audio codec from Telos

Apt worldnet milano xpt-x codec ISDN etc

Vortex VX1000 Baby Blue ISO-II / G.722 ISDN Codec - 19" Rackmount

Vortex VX-1000 baby blue ISO-ll / G.722 Codec

Robert leacroft ISDN to dual 4wire unit

1X Glensound GSGC24a 3 channel ISDN mixer with + psu. codec G722 G711

Glensound GSGC24a 3 channel ISDN mixer with codec with G722 G711