... 1LAN2100MHzWCOIP88WCDMA,1WAN,1LAN2100MHzWCOIP8-328WCDMA,1WAN,1LAN2100MHz terminal 1. 8 Channels GSM/CDMA/WCDMA VoIP Gateway2. SIP Protocol Compliancy3. SMS receiving ... 1900MHzWCDMA: 850/900/1800/1900/2100MHzVoice CODECsG.729A, G.723.1, G.711 a/ulawNetwork ProtocolsIPv4, TCP, UDP, PPPoE, ... based soft switches, for accessing VoIP network by SIM cards, LCR select least cost router to reduce the cost of ...