Matthew Fredrickson, an engineer at Digium and the developer of LibSS7 and the related support in Asterisk, has posted an update on SS7 support in Asterisk to the Asterisk-SS7 mailing list. It’s a pretty exciting update. LibSS7 has released a 1.0 release milestone, and there are users that are alraedy using it in very high volume installations. From the update: There are some very good and very interesting things that have been happening.