Grandstream GXW4108


Type8-Port FXO VoIP Gateway (analog PSTN to SIP conversion)
FXO Ports8 × RJ11 (connects up to 8 analog telephone lines)
SIP SupportUp to 2 SIP server profiles
Network Interfaces2 × 10/100 Mbps Ethernet ports (LAN/WAN)
Audio CodecsG.711, G.723.1, G.729A/B, G.726, iLBC (varies by firmware)
Fax SupportT.38 fax relay + G.711 pass-through
SecurityTLS, SRTP, HTTPS encryption support
Power12V DC external adapter