PLANET VGW-420FO 4-Port SIP VoIP Gateway (4xFXO)

The PLANET VGW-420FO is a 4-port SIP VoIP gateway with 4 FXO interfaces, designed to connect analog telephone lines or PBX systems to IP-based voice networks. It supports IETF SIP 2.0, T.38 fax relay, and multiple codecs including G.711A/U, G.723.1, and G.729A/B for high-quality voice transmission.

• 4 FXO ports for connecting analog lines
• SIP 2.0 compliant for broad interoperability
• T.38 fax support for reliable fax over IP
• Multiple codecs: G.711A/U, G.723.1, G.729A/B
• Advanced security with TLS and SRTP encryption
• STUN and Outbound Proxy for NAT traversal
• Compact desktop design in black

Ideal for small to medium businesses, the VGW-420FO enables cost-effective VoIP migration while preserving legacy analog equipment. Easy to configure and manage, it ensures reliable voice and fax communication over IP networks.