1. Building telephony systems with Asterisk : an easy introduction to using and configuring Asterisk to build feature-rich telephony systems for small and medium businesses /: an easy introduction to using and configuring Asterisk to build feature-rich telephony systems for small and medium businesses. (©2005) Other Names: Gomillion, David; Dempster, Barrie; Epshteyn, Alex; Clews, Rob; Kolasiński, Jan Record Type: Book Extent: 1 online resource (vi, 161 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗