PABX common channel relay system

Packet address look-ahead technique for use in implementing a hi

Packet and circuit switched communications network

Packet assembler

Packet broadcasting method

Packet bus interface

Packet collecting circuit in data-flow type system

Packet communication exchange including dummy packet transmissio

Packet communication exchange including dummy packet transmissio

Packet communication method and packet communication apparatus

Packet communication method, packet communication device and pac

Packet communication processing method

Packet communication system and its control method

Packet communication system and method of clearing communication

Packet communication system and method of controlling same

Packet communication system using a telephone switching network

Packet communication systems

Packet communication terminal having synchronized audio and curs

Packet communications network and communications method

Packet communiction method and packet communication apparatus