Features
442
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
9. 6. 6 Silent intrusion
Silent intrusion is a variant of the Intrusion feature and is used primarily in call cen-
tres.
If the called internal user B is busy, the calling internal user C has the possibility of
intruding into the current call without call parties A and B being aware of it. Unlike
with the Intrusion feature, user B is signaled neither visually nor acoustically and
thus cannot reject Silent intrusion. User C listens to the ongoing call. His micro-
phone remains switched off.
User C can now enable his microphone or press the Intrusion Foxkey at any time to
intrude into the call.
1)
Normal Intrusion with signaling is then carried out as de-
scribed in "Intrusion", page 440.
Fig. 208 Silent intrusion
Detailed Description
Tab. 233 Silent intrusion
1)
Supported only for system phones of the Aastra 5300, Aastra 5300ip, Aastra 600d series and the
Aastra 2380ip system softphone
Interface
Operating sequence / signalling on the termi-
nal
Scope
A In principle no signaling. Depending on the con-
nection type, user A can hear a crackling when C
intrudes (see Tab. 234).
B In principle no signaling. Depending on the con-
nection type, user B can hear a crackling sound
when C intrudes (see Tab. 234).
Requirement:
• B has allowed intrusion on his set.
• B is not in the process of setting up a
call, in an enquiry call or in a confer-
ence.
C C hears a busy tone if intrusion is not allowed or is
not available
Possible interfaces:
•Internal
Requirements:
• C has the authorization for silent intru-
sion.
• A Silent Intrusion licence is in place.
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