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- OASIS Lawful Interception
OASIS Lawful Interception
Telecom Regulators Worldwide Demand ETSI Standards-Based Lawful Interception of Voice & Video Calls, SMS. OASIS platform design comprises scalable software & hardware modules including LIMS and high performance passive probes for VoIP, SMS, TDM voice (E1, T1 & STM1)
Overview
Lawful interception of all telecommunication media is crucial in fighting crime. In every country, there’s national legislation that requires any large telecommunication provider to provide lawful interception capabilities to law enforcement agencies (LEA). That means any time an authorized request is created, a telecommunication provider must identify, monitor, and deliver all the electronic communication content of a specified groups or individuals.
There are national authorities who work alongside international standardised bodies, and together they define the technical framework for making lawful interceptions.
The OASIS Platform, Explained
OASIS introduces the latest version of of our powerful Lawful Intercept Platform which is fully compliant to ETSI international standards ETSI ES 201 671 V3.1.1 (2006 - 10).
Our Lawful Intercept Platform platform utilises the OASIS advanced technologies to support passive call monitoring across all network environments and capability. Support for E1, T1, STM-1 interfaces and OASIS SS7 passive monitoring allows seamless monitoring of many thousands of calls simultaneously. The SS7 monitoring interface supports STM1, TDM & SIGTRAN signalling.
The OASIS IP Voice Intercept Probe also supports VoIP monitoring thousands of simultaneous calls on 1GB and optionally 10GB interfaces.
With a call interception warrant in place, OASIS Lawful Intercept Platform allows law enforcement agencies to execute real-time, confidential monitoring of voice & video calls on TDM & IP networks. The SMS probe, which can support MAP, IS41 & SMPP will intercept mobile originating and mobile terminating SMS messages, up to 6000 SMS per second.
Multiple law enforcement agencies can be monitoring the same call without being aware of each other’s presence or behavior. The platform makes sure all agencies are treated equally, with the same set of features and functionality – safeguarding the integrity of monitoring standards.
OASIS Lawful Intercept Platform delivers an extremely flexible, cost effective, secure and scalable solution to address the obligatory support of call & SMS interception by all service providers.
Benefits
Fully Open and Standards Compliant – Designed and built to fully comply with ETSI international standards (ETSI ES 201 671 V3.1.1), OASIS Lawful Intercept Solution provides sophisticated and secured lawful call interception capabilities – that lets designated agents (armed with a warrant) effectively monitor intercepted calls, MT & MO SMS messages & mobile data communications.
High Simultaneous Call Interception Capacity – Built on a robust architecture that is highly scalable and reliable, OASIS Lawful Intercept Platform provides a small footprint platform – as little as 8 E1 interfaces through to 4 STM-1 interfaces in 4 rack units. For VoIP interception, OASIS Lawful Intercept Platform supports 1GB copper and or optical and 10GB* interfaces capable of monitoring 8,000 to 80,000 simultaneous calls in a single 2U chassis. The SMS and voice probes and are 1U Intel/RHEL rack mount servers.
Confidential Call Interception – OASIS Lawful Intercept Platform ensures all intercepted and channelled calls are passive and undetectable. Every agency that simultaneously monitors the same call is totally unaware of each other’s presence or behavior. SIP & TDM monitoring is completely passive – this means that even in the event of a total hardware failure, voice calls will not be effected.
Passive SMS & Data Interception – OASIS Lawful Intercept Platform SMS and Data interception capabilities are completely passive and undetectable. The number of SMS or Data Probe servers is unlimited as the centralised management system will issue targets and collect target across multiple servers transparently. Each SMS probe can be licensed to support up to 20MB/s SIGTRAN and support in excess of 6000 SMS per second.
Features
Advanced and Web-Accessible Modules – OASIS Lawful Intercept Solution is equipped with advanced and Web-accessible modules. These include:
- Monitoring Agency Management,
- Authorised Interception Management,
- User Management,
- LCI Audit Reports,
- and System Configurations.
Via the intuitive GUI, these modules enable network carriers to effectively manage their daily call intercept operations.
Agencies Connectivity Restoration – In the event of any connectivity failure between the Intercept Platform and monitoring agencies due to carrier network outages, OASIS Lawful Intercept Platform will automatically trigger a set of disaster-proof handling algorithms that make continuous attempts to re-connect with the monitoring agencies, while retaining the Intercept Related Information (IRI) for all ongoing intercepted calls in its buffer. Once the connection is re-established, the platform will instantly arrange for IRI transmission to the respective monitoring agencies. The LIMS platform can record and buffer HI3 content if required and send to LEA when connectivity has been restored.
Secured Transmission via IP Sec – By supporting network security using IP Sec, the OASIS Lawful Intercept Platform can safely transmit the Intercepted Related Information (IRI) through the carrier’s IP network to the designated authorized agency. The IRI includes Intercepted Subject, Service Associated Data (SAD) and Line Location Info. The platform also maintains a detailed transmission log to facilitate LCI tracking.
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