openSUSE:12.2 openSUSE 12.2 https://download.opensuse.org/distribution/12.2/repo/oss/ isdngw An ISDN to H.323 Gateway isdngw is a gateway between telephony on ISDN and telephony on IP networks using H.323. It is based on OpenH323 and ISDN4Linux. The gateway uses ISDN to make and receive calls but any type of phone (pots, mobiles, etc.) can call and be called.