Digital Access Signaling System 2 (DASS2) is a protocol defined by British Telecom for digital links to PSTN based on ISDN.
It is an improved version based on experiences with DPNSS.
... is 529.3/km² (1,369.6/mi²). There are 1,031 housing units at an average density of 178.5/km² (461.9/mi²). The racial makeup of the village is 73.63% ...