Aastra 5380 User Manual page 73

When your system administrator has set up a phone number with several phones
(One-number user concept, see chapter
define on which phones a call shall acoustically be signalled using ring alone.
When you have activated ring alone on a phone, the acoustic ringing tone is deacti-
vated for all other phones ( ). An incoming call is signalled in the display of all
phones. You can answer the call on each of your phones.
Note:
When you have activated ring alone but deactivated the personal call routing for a phone in parallel, an
incoming call is not acoustically but only visually signalled.
This function must be stored under a Foxkey or a function key (see Chapter
ing keys", page 107).
Ring alone
Silent intrusion
Silent intrusion is a variant of the
Another user can intrude on your active call and listen in to your conversation without
you and your call party noticing. Unlike Intrusion you will receive neither a visual nor
an acoustic signal.
This means you cannot reject Silent intrusion. The third user's microphone remains
switched off. He can however intrude on the call at any time by enabling his micro-
phone or pressing the
Your system administrator can allocate this function to a configurable key.
Notes:
• Silent intrusion has to be enabled. Contact your system administrator for more
information.
• Silent intrusion may infringe on your national data protection provisions or be
permitted only under certain circumstances.
• If you intend to use this function notify your call party in advance.
<Phone number>
Aastra 5380/Aastra 5380ip
eud-1282/1.3 – R3.0 – 04.2013
"Purpose and
In the idle state:
Press the function key for
➔
Ring alone is activated/deactivated.
Intrusion
Intrusion function key.
1. Enter the call number of the user you want.
2. Once the busy tone sounds, press key 4.
➔
Silent intrusion is activated.
Supplementary features
function", page 7), you can
Ring alone.
function and is used mainly in call centres.
"Configur-
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