In a network termination connected to an exchanger and a plurality of terminal adaptors, and enabling relief of call congestion in an exchanger, the network termination includes: a reception port for receiving a reduction rate indicated by a congestion information area in a SDH frame input from the exchanger;...http://www.google.fr/patents/US5231630?utm_source=gb-gplus-shareBrevet US5231630 - Network termination enabling relief of call congestion in an exchanger
Network termination enabling relief of call congestion in an exchanger
