How to connect traditional telephony ports to Asterisk PBX phone systems? Connecting traditional telephony ports such as analog trunks and analog extensions (FXO and FXS) and/or digital trunks and digital extensions (PRI/BRI) to Asterisk based systems may be achieved...
Choose VoIP Product
Price Quotation Request
Certified VoIP Training
The FXS telephony line interface is used to connect analog telephones (and in some cases legacy PBX) to the Asterisk PBX. Each FXS telephony line interface module (XR0024 or XR0045) has 8 FXS ports, which means it can drive up to 8 different analog extensions. The...