Connections Overview - Aastra 400 Serie Manual Del Sistema

Fig. 207 Silent intrusion
Detailed Description
Tab. 233 Silent intrusion
Interface Operating sequence / signalling on the terminal Scope
A In principle no signaling. Depending on the connec-
tion type, user A can hear a crackling when C intru-
des (see Tab.
B In principle no signaling. Depending on the connec-
tion type, user B can hear a crackling sound when C
intrudes (see
C C hears a busy tone if intrusion is not allowed or is
not available
If B is making an exchange all,
enabled for exchange calls, throughout the system.
Notes:
– In connection with the Silent intrusion feature, relevant national data
protection regulations must be observed.
– One Silent Intrusion licence is required to be able to use the Silent intru-
sion feature.
– Silent intrusion is not possible in all cases and in certain cases may
cause a crackling sound (see
– Analogue terminals cannot switch directly from the Silent intrusion
state to Intrusion. The microphone is always active with these termi-
nals.

Connections overview

Silent intrusion is not possible in all cases and not absolutely silent. For IP-IP, IP-SIP
and SIP-SIP connections, the media is switched directly and not via the system. In
Funciones y prestaciones del sistema a partir de R2.1
syd-0370/1.2 – R2.1 – 07.2012
C
234).
Tab. 234).
Silent intrusion
B
A
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 conference.
Possible interfaces:
• Internal
Requirements:
• C has the authorization for silent intru-
sion.
• A Silent Intrusion licence is in place.
will only work if this feature is also
Tab. 234).
Prestaciones
447