ISDN.
This is one of the last, best uses of ISDN. Guaranteed latency, ultra low jitter, and plenty of high-quality hardware purpose-built for getting the best possible studio audio over 2 bearer channels worth of capacity.
This is one of the last, best uses of ISDN. Guaranteed latency, ultra low jitter, and plenty of high-quality hardware purpose-built for getting the best possible studio audio over 2 bearer channels worth of capacity.