... port, 1 Smart Life Line port, SIP V2.0 (RFC3261) or MGCP V1.0 (RFC3435) VJ-2S 1 WAN, 3 LAN ... 1 WAN, 3 LAN, 8FXO ports, SIP V2.0 (RFC3261) or MGCP V1.0 (RFC3435) VJ-8S8O 4 LAN, 8FXS ports ... 8FXO ports, SIP V2.0 (RFC3261) or MGCP V1.0 (RFC3435) VJ-16S 4 LAN, 16FXS ports, SIP V2.0 (RFC3261) or MGCP ... V1.0 (RFC3435) VJ-16O 4 LAN, 16FXO ports, SIP V2.0 (RFC3261) or MGCP ...