... implement the smooth transition between PLMN (GSM) and VoIP network. The GSM/CDMA VoIP gateway is designed for comfort, ... tradition of quality voice communication over IP network but reduce the human resource of VoIP network deployment. It’s a cost-effective ... -Tx RJ45 •Manage Interface: 1 Console RFC2833 •Static IP, PPPoE, DHCP •Network Protocol Support: •IP,TCP, UDP,TFTP, FTP, RTP, RTCP, ARP ...