... calling card, call center, Fax over IP, etc. The service-orient architecture in ... INBAND FAX over IP T.38. Up to 14.4 kbps IP CONNECTIVITY IP Transport TCP/UDP, ARP ... /RARP, NTP, TFTP, HTTP, TELNET, ICMP, STUN, NAT, DHCP client/server, PPPoE client, DNS, DNS SRV Voice Transport ... Time Transfer Protocol / Real-Time Transport Control Protocol QoS IP ToS & DSCP Diffserv Tagging, ...