Max's Hacks

The Collectors' Network FXS adaptation for X100P FXO (and clone) cards An older page for building a two-port FXS system using a standard PC sound card An even scungier implementation, again using the soundcard          A tech page containing several tidbits that the x100p chipset docs don't specify...

     The sound card approach is neat for a few reasons... 

     First, you get two independent ports from one card. 

     Second, I had trouble getting my machine to boot when using an X100P (clone) 
     card, so they seem to be somewhat finicky - but a sound card-based solution 
     can even be built up using an ISA-bus PC.  

     Third, it's inherently 4-wire...




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Voice Over IP Tandem for Analog Switches