... )/UDP(RFC768)/ICMP(RFC792)/ARP(RFC826)/SNTP(RFC2030)/HTTP(RFC2616)DHCP(RFC2131)/TFTP (RFC1350)/DNS(RFC1034,RFC1035)SIP RFC3261, RFC3262, ... RFC3666, RFC2543 -IP (RFC0791), TCP (RFC0793), UDP (RFC0768), ARP (RFC0826)-ICMP, ARP, ... NAT ALG, NAPT, SIP Express router-Static IP / DHCP / PPPoE-DNS client with 2 servers IP Audio Codec G.711 µ / A G.723 ...