... the mainstream SIP proxy servers(such as Asterisk, SIP registration server, etc. ) to implement docking. Run in a variety of environments ... /BFax over IPT.38 or G.711 bypassDHCP Client/ServerNAT Router or Switched ModeTelephony FeaturesCaller ID display or block, Call waiting ... /UDP,RTP/RTCP,HTTP,ARP/RARP,ICMP,DNS,DHCP,NTP,TFTP ,TELNET ,PPPOE, STUNDTMF MethodRFC 2833,SIP InfoSignalingSIP(RFC 3261)over ...