2 x Glensound GSGC6 Twin ISDN Codec

Glensound GSGC6 ISDN Audio Codec

Glensound GSGC6 Twin ISDN TA/CODEC Rackmount APTx / G.722 / ISDN Broadcast Audio

Glensound GSGC6 Audio ISDN codec Plus Remote

Glensound GSGC6 Dual ISDN Codec with GSGC7 Controller - Ex-BBC, Good Condition

Canford Workstation Buddy Senior Broadcast Audio Monitor Unit Rack - Powers On

GSGC7 Controller for Glensound GSGC6 Dual ISDN Codec UNTESTED

Sonifex Nica X-2M ISDN codec system