Flood, J. E.
Telecommunications Switching, Traffic and Networks - Delhi Pearson Education 2002 - p.310
8178084570
Digital Network Digital Switching Packet Switching Common-Channel Signaling ISDN
621.382 F56T
Telecommunications Switching, Traffic and Networks - Delhi Pearson Education 2002 - p.310
8178084570
Digital Network Digital Switching Packet Switching Common-Channel Signaling ISDN
621.382 F56T