Support 1 E1/T1 Port
Compatible with PBX-C302 and PBX-C503 to Expand PBX Functionality
Replace Analog Line Connections with SIP Trunking to Allow Reduced Call Costs
Full Plug-and-Play Support From the Web GUI
Available for back order, Get It By 19th May. 2023
Support 2 FXO and 2 FXS Ports
Compatible with PBX-C301 / C302 / C503 to Expand PBX Functionality
Support 4 FXO Ports
Support 4 FXS Ports
Support 4 T1 Ports
Compatible with PBX-U502 and PBX-U503 to Expand PBX Functionality
Hot-Swappable for Flexible Configuration
Support 4 E1 Ports
Support 4 FXS and 4 FXO Ports
Support 8 FXS Ports
Support 8 FXO Ports
End Chat?
Do you really want to close the chat?