The Grandstream GXW4104 FXO Gateway is ideal for small to medium business that are looking to integrate existing PSTN lines with an IP PBX system or with an existing traditional phone system.
Grandstream GXW4104 Features
4 FXO ports that allow you to connect analog PSTN (POTS) lines to your existing VoIP system
Up to 2 distinct SIP server profiles per system and independent SIP account per port
