VoIP gateway-TVG340

4 FXS ports; Support VLAN protocal; Support FXS hotline

VoIP gateway-TVG320

Compatible with SIP2.0; 2 FXS ports; Support VLAN protocal

VoIP gateway-TVG311B

SIP support 3 Pubic server; support Call forward/ transfer/ holding/ waiting

VoIP gateway-TVG311

1 FXS port, 1 FXO port; 1 WAN port,1 LAN port, support router

VoIP gateway-TVG310B

Supports IAX2, SIP, protocols; Support Bridge and Router model

VoIP gateway-TVG310

one WAN, one LAN, support router; Support RTP RTCP protocol

VoIP Gateway-TVG310A

Support registering 2 SIP accounts simultaneously; Support VLAN