Another SITTI success story - Kolkata

At Kolkata ATC Center (India), SITTI has successfully performed installation testing andAirports Authority of India commissioning of its top-edge Multifono M800IP Voice Communication System (VCS).

For the first time in India, a “Fully VoIP” VCS has been installed and commissioned.

Kolkata is one of the four ACC centers in India; it covers the Eastern Region (Kolkata FIR).

The VCS is connected to the IP radios through MPLS network and E1 connection for media redundancy.

  • As for MPLS connectivity, the VCS is connected directly to the radio using latest ED137B protocol.
  • As for E1 connectivity, SITTI is using Remote Management Units (RMU) installed in remote stations, connected to the VCS through E1 and to the radios through 4W-EM connection.

In order to save bandwidth, fractional E1  is used to connect RMUs to the VCS.

 Kolkata VCS figures are impressive:

  • 100 CWP
  • 106 IP radio channels
  • 58 analogue radio channels (connected through E1 and 4W connections)
  • 90 IP telephone lines
  • 44 analogue telephone lines
  • 10 RMU (Remote management Unit)
  • 750 VoIP recording channels

SITTI is proud of this outstanding success and will continue to support the Airport Authority of India (AAI) during shadow-mode operation and transition period.

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