Selta SAEfon CL 76D Bedienungsanleitung Seite 80

CTI release
In case the telephone makes calls from a telephone book software
application on personal computer, it is possible to choose, from such
a menu, if sending or not the release command to the PC when off-
hook the SAEfon CL; the menu options are the following: "Sent
release" and "Do not sent release".
General ring
In the general ring menu it is possible to choose a ring and associate
it to internal and trunk calls.
80 SAEfon CL - Operating instruction