AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 54)

Call Forwarding
BusinessPhone – Dialog 4425 IP Vision 54
Bypass Call Forwarding
Bypass Call Forwarding allows you to call a specific extension even
if Call Forwarding is activated on this extension.
Note: To use this function, your extension has to be
authorized by the system administrator. *60*
Press.
z
Enter extension number.
#
Press.
You will be connected to the specified extension, regardless of
which type of Call Forwarding the called extension has activated.