VoIP server MEMO
Paket IP headerSend to IP adress NAT transfer adress by DNS server to reache byond Differnt OR private segmentsContent-Transfer-encordibg :*bitThen Decording By *bitTCP/IP CLASSISO OSI modelsAprication CLASS:HTTP.SMTP,POP,TELNET,FTP,MMETCP/UDP CLASS :TOP.LDPIP CLASS :IP.ARP,ICMPMAC CLASS :Ethernet,ATM,FDDIPhigical CLASS :cablesLINK NIC TCP/IP served IP each Nweworkcard MAC ADRESS mean ACTUAL send-returnIt have 48bit Upper 24bit manufactured Lower 24bit uniqe idenntification assined by manifactured Each expressed 16h