On Sep 21, 2006, at 2:40 AM, Frode Gorseth wrote: > Hello. > > What is the differences or relation between: > > ??? chan_ss7 Chan_ss7 was written by a company (Sifira, IIRC) and released as open source a channel driver that talks to zaptel hardware over SS7. > ??? chan_zap > ??? libss7 chan_zap/libss7 is another SS7 implementation that I wrote. libss7 and chan_zap are used in the same way that libpri and chan_zap work together to provide SS7 signalling. The big reason why I wrote libss7 for chan_zap was that, using chan_zap, you inherit most of it's strengths, stability, and testing that is has acquired over the years. Matthew Fredrickson