DiCa Voice Recording and Playback Solution

There is a strong need at Railway Undertakings to record all operational telecom. These recordings are afterwards used to verify that the communication is done ‘as per procedure’. The findings can be used to improve operations, e.g. by giving additional training and/or adapting work flows. In case of emergency, the recordings can be used as evidence even in court if required. Ideally only one recording system should be needed able to connect to the different voice communication systems in the network. This will strongly improve the post analysis as correlation can be automated much easier

The Dica Voice Recorder and playback solution can connect to different type of interfaces. Recent systems can be connected via (standard) SIP. The GSM-R network can be connected via ISDN or SIP-R. The legacy rail networks can be connected via the built-in gateway functionality, e.g. via PRI CAS or QSIG. Even very old TDM systems making use of a separate CTI-interface to make available call related data, can be connected

The web-based playback stations are connected via IP directly or via any other IP-based network, e.g. the internet or an extranet. Users with the appropriate access rights could connect via any remote network (e.g. a Wifi-network).

Highlights Recording System

  • 1 Platform that can record all,
  • Support of multiple interfaces, legacy (Rail) as well as IP/SIP,
  • CTI Start-stop triggers, eg. Voice level, CTI data, etc.,
  • Call info can be received via CTI interface or via ISDN protocol,
  • EIRENE specific info elements (MLPP, Functional number, …),
  • Distributed or centralised configuration,
  • Remote monitoring and diagnostics,
  • Can work on R4 and R99 at the same time (during migration),
  • Recording done in G711, mono, 8000 samples/sec, 8 bits/sample,
  • 100% RideOnTrack IPR, flexible customer specific adaptations.

Highlights Playback System

  • Via standard web browser,
  • Windows based GUI,
  • User friendly interface (N2ZT),
  • One or more web-servers possible,
  • Web-server integrated in VR,
  • Centralised user management (eg. Login/password, etc.),
  • Playback users access limited to certain areas, channels, etc..,
  • Distributed and centralized recording (storage),
  • Intelligent search selection,
  • Multiple language support,
  • History on who listened/who copied voice records,
  • GSM-R call info display (e.g. eRec, VGCS, etc..).

General Technical Highlights

  • Low cost servers (HP, Dell, etc..) with PCIe slots (e.g. 8 core 5K€),
  • E1 interface cards in different configurations (2, 4, 8, 16 E1),
  • Up to 64 E1 interfaces per server, recording 1920 simultaneous calls,
  • E1 card supports CAS, ISDN, etc.,
  • Storage in compressed MP3,
  • Only 1000 bytes per sec per user  disc space required,
  • Runs under Windows,
  • Hot and cold standby possible,
  • Able to send SNMP-trap,
  • Customer can buy SW-only and install on existing HW.