Communication system capable of detecting missed messages

Communication system capable of preventing dropout of data block

Communication system comprising a communication line monitor for

Communication system comprising overlayed multiple-access transm

Communication system configuration data management

Communication system control arrangement

Communication system dynamic conferencer circuit

Communication system employing multi-conjunction architecture

Communication system enabling external control of system termina

Communication system for a ring-type network

Communication system for coexistent base band and broad band sig

Communication system for control applications

Communication system for forming different networks on the same

Communication system for forming virtual, annular networks in a

Communication system for interconnecting a plurality of asynchro

Communication system for multi-service communication terminal eq

Communication system for stationary and mobile subscribers

Communication system for the transfer of small digital message b

Communication system for timing multiplex hybrids

Communication system for transmitting synchronous and asynchrono