worldwide). due to the success of isdn, the number of installed analog lines was decreasing. deutsche telekom (dtag) offered both bri and pri. competing phone companies often offered isdn only and no analog lines. however, these operators generally offered free hardware that also allows the use of pots equipment...
worldwide). due to the success of isdn, the number of installed analog lines was decreasing. deutsche telekom (dtag) offered both bri and pri. competing phone companies often offered isdn only and no analog lines. however, these operators generally offered free hardware that also allows the use of pots equipment...
worldwide). due to the success of isdn, the number of installed analog lines was decreasing. deutsche telekom (dtag) offered both bri and pri. competing phone companies often offered isdn only and no analog lines. however, these operators generally offered free hardware that also allows the use of pots equipment...
schools: outdoor area schools: technical room schools: gymnasium schools: services and dressing rooms schools: staff room schools: laboratory schools: classrooms schools: entrance and reception energy distribution healthcare structures: notification and electrical systems schools: electrical and signalling...
side make the sleeper inspection- friendly. thanks to this optimum accessibility, it can be retrofi tted for existing cable crossings at any time. the sleeper body can be easily installed in the ballast bed. it is not necessary to disconnect or cut the cables. hollow sleeper for control and safety equipment...
channel from the end node to the network. isdn is one such service that uses a separate signalling channel while plain old telephone service (pots) does not. the method of establishing the connection and monitoring its progress and termination through the network may also utilize a separate control...
long-standing partner of the hellenic air force, hellenic navy and hellenic army. read more aerospace in greece thales air traffic management system is in operation since to manage all air traffic movements in greek airspace. read more transportation in greece in , thales won a contract to supply signalling...