A communications network has a packet assembler/disassembler (PAD) 25 accessed from one or more nodes 21. Short delay limits can be met by creating composite packets at the nodes; these carry information for more than one call. Composite packets are transmitted to the PAD, disassembled and reassembled...http://www.google.com/patents/US4774706?utm_source=gb-gplus-sharePatent US4774706 - Packet handling communications network
