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CALEA (Communications Assistance for Law Enforcement Act) aims to
extend and clarify federal law enforcement powers to tap conversations
and data of wireless network users. It provides for the surveillance
and monitoring of selected subscriber activity while operating within
the service area of the AirCore system. The feature provides you
the ability to monitor both subscriber related system messages (call
setup, tear down, etc.) as well as both receive and transmit paths
of the voice content of the call. You can simply program into the
system certain phone numbers that have their activity monitored
by one of several law enforcement agencies.
Developed as per J-STD-025 requirements:
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Wireless carriers must provide
officials with location information using cell-site location |
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Limited to the beginning and end
of each call |
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Provide officials with packet-switched
data with a court order |
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Subscribers do not know they're
being monitored |
Supports both J-STD-025 interfaces
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The transmission of the messaging bound for the
law enforcement agency via TCP/IP |
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Sending the call content over any of the protocol
types supported for PSTN interfaces on the system |
GUI (Graphical User Interfaces) based configuration
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Up to 50 agencies |
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Database separate from the Home Location Register (HLR) |
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Allows any number to be monitored (including Roamers) |
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Up to 5 agencies per subscriber |
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Security controlled under User ID and password access |
The AirCore system supports the transmission
of the following FCC Punch List items:
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Content of Subject-Initiated
Conference Calls – tapping the content and messaging
of each party in a three party conference |
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Party Hold, Join and Drop –
messaging related to the hold, join and drop procedures in a
multiparty call |
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Access to Subject Initiated
Dialing and Signaling – the related messaging for subscriber
feature interactions |
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In-Band and Out-of-Band Signaling
– the related messaging for features such as call waiting
and SMS |
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Timing to Associate Call Data
to Content – the timing association between call related
messaging and call content, including exact time, the circuit
and the subscriber involved |
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Dialed Digit Extraction –
digits dialed for digital networks are captured either by the
message received from the mobile station or the related call
content that will contain the digits dialed as tones |
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