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Core Network Call Recording

ATTEST is a 4th generation cloud-based solution which can be installed in the Core Network of the both Mobile and Fixed Line Operators. Financial firms can take Call Recording as a Service from the Network Operator without requiring the swapping of SIM cards, installing special Apps, or investing in non-compliant fixed/mobile integrations. Additionally, as ATTEST is deployed directly in the network, the entire call is recorded without call clipping.

ATTEST – High-Level Network Architecture

Multi-tenant

ATTEST has been designed and developed from the ground up, as a multi-tenanted call recording solution.

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A “Tenant” refers to an Enterprise customer of the (M)NO, or can even be a residential (Mobile) User, subscribed to the network operator’s Call Recording service. Configurable call retention periods for each Tenant are possible, and Tenant data is isolated in Authentication Zones.

Multi-media Cloud Recording

ATTEST supports recording mobile phone and/or fixed-line telephone conversations; the system’s architecture is such that other media types, such as SMS, MMS, or Video, can be optionally added.

Performance, Scalability & Small Footprint

A critical component of ATTEST is its Capture Engine: the recording & encryption module combines high performance with a small footprint.

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The Capture Engine’s main task is instant recording, in-memory strong encryption, and fingerprinting of all calls. One Capture Engine supports up to 2,650 concurrent call recordings installed on standard enterprise-grade COTS hardware (HDD storage) or up to 10,000 concurrent call recordings when equipped with high-performance SSD storage technology.

Software Defined Object Storage

The Storage Centre forms an integral part of ATTEST to either temporarily archive encrypted calls (e.g., 2-3 days), or store for a more extended period (months, years) depending on each customer’s requirements.

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The Storage Center is based on “software-defined object storage” to manage objects in a flat address space and make it easy to scale up storage capacity (G/T/P Bytes). In addition, erasure coding is used as an (additional) method of data protection in which data is broken into fragments that are expanded and encoded with a configurable number of redundant pieces of data and stored across different locations, such as disks, storage nodes, or geographical redundant archives.

SIPREC Recording Interface

ATTEST supports the SIPREC protocol on the IMS / MRF or SBC in the (M)NO network. SIPREC is an IETF standards-based protocol to manage media delivery within SIP-based systems.

Highest Security Standards

ATTEST provides in-memory strong encryption and fingerprinting of all calls. Every call is encrypted with a unique data encryption key, and decryption is only possible by the Customer.

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ATTEST performs in-memory strong asymmetric encryption (RSA2048) on all calls, with a unique data encryption key per call and fingerprinting (SHA 256) to prove the recording is authentic.

Encrypted call recording files are securely transferred over a secure link to the Decryption Service. Calls can only be decrypted with the customer’s key. Integration between the Decryption Service and the Customer network-based HSM (FIPS Level 140-2, L2/L3) is available.

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