Aastra Telecom REV 06 - Manual (Page 136)

Features in Release 2.2
132 RN-001029-00, Rev 06, Release 2.2
IP Phone Release Notes 2.2
Note: IMPORTANT!
If DND and CFWD are configured to use “Account” mode on the IP
Phone, pressing the DND and CFWD keys apply to the account in focus
as described in the section,
“Account-Based Do Not Disturb (DND) and
Call Forward (CFWD)” .
If ACD is configured on the phone, the ACD softkey applies to the line
for which the key is configured. The ACD softkey must be configured for
the first line of an account. For example, if account 2 has line 3 and line 4
you must configure the ACD softkey for line 3.