AUDIOLINE SHADOW 50X Bedienungsanleitung Seite 65

PABX / Supplementary Services
supplementary services. Please also ask your telephone network
provider which Flash time (recall time) must be set in order to use
the supplementary services. Setting the Flash time . Page 69
Flash time (recall time)
T−Net operates with a Flash time of 300 ms. . Page 69
65