Audio routing within trunked radio frequency multisite switch
Audio signal processor circuit
Audio-on-demand communication system
Audio-visual network connection system and method using gateways
Audiographics conferencing arrangement
Auto balancing duplexer for communication lines
Auto negotiation system for a communications network
Auto-adjustment circuit for collision detection of ethernet
Automated call handling apparatus
Automated interactive mass communications system
Automatic association of local area network station addresses wi
Automatic bypass system for ring type local area network
Automatic call distribution (ACD) switching system having distri
Automatic call distributor with wireless connection with remote
Automatic channel switching from fallback channels to regular ch
Automatic configuration of protocol parameters in protocol layer
Automatic control device for a receiver using a pilot
Automatic detection of reachable network elements
Automatic digital telephone exchange
Automatic exchange with a digital switching network