03 Jan 18 21:13, Benny Pedersen wrote to Markus Reschke:
BP> zyxel made a router that could bundle isdn to 4 * 64Kbit, and i BP> belive one aswell that could make 30 * 64Kbit aswell, just more BP> expansive :=)
There were several vendors offering equipment for channel bundling and the like. I had a router box from BinTec something like 20 years ago supporting that.