News

29-Aug-2011
Salem police to be first in State to get TETRA

The Salem police will be the first in Tamil Nadu to get TETRA, a GPS-based automatic call distribution and vehicle locator system for the ‘Dial 100' facility, which is set to make its communication dissemination system more effective and bring it on a par with international standards. Chief Minister Jayalalithaa is expected to inaugurate the facility shortly.

With the acquisition of the Rs. 70-lakh equipment, a digitalised hi-tech two-way transceiver (walkie-talkie) communication system known as Terrestrial Trunked Radio (TETRA), Tamil Nadu joins the select band of users of this technology such as the Indian Army, Delhi Metro Rail, Thiruvananthapuram City Police and Gurgaon City Police.

The facility will soon be available in Tirunelveli at a cost of Rs 70 lakh, Madurai and Coimbatore (Rs 2.14 crore each) and Greater Chennai (Rs 30 crore) in a phased manner.

“The facility in Chennai will be taken up at a later stage, as its application in the metro will be done on a massive scale,” R. Arumugam, IG of Police (Technical Services) told The Hindu , here on Sunday.

The air-conditioned modern control room in Salem is equipped with Automatic Call Distribution system, GPS-based Automatic Vehicle Locator system and servers for Dial 100/103 using the TETRA network. Computers and monitors have been installed to ensure better “location visibility” of all police vehicles, especially patrol vans, so that any SOS can be answered and responded to within the shortest time.

“This makes preventive policing more effective,” said Mr. Arumugam, who inspected the control room with a team of IT experts led by P. N. Mahadevan, Managing Director of Purple Infotech Limited, Chennai, who installed the facility. The Automatic Call Distribution system tracks and maintains the details of complainant calls and action taken. Each and every call is assigned a unique challan number and details are stored against the assigned number.

Tracking status

This data is passed on to police stations/patrol vehicles nearby. Complainants can also track the status of their complaints by calling the control room at any point of time. The conversation between the operator and police official is recorded and logged for future reference. Various management information system (MIS) reports like dropped calls, action taken and pendency reports can also be generated.

The GPS-based Automatic Vehicle Locator tracks and maintains the movement of patrol vehicles falling under the jurisdiction of the Salem control room. The TETRA radios in patrol vehicles are equipped with integrated GPS module and data would be sent to the control room through Short Data Service (SDS) at pre-configured time intervals. GPS data of patrol vehicles movement would be plotted on the Salem digital map in real time and police officers could view their positions.

When a police officer receives a SOS from the public, the location of the caller along with the nearest patrol vehicle's details are shown on the control room's computer screen and he can assign the nearest patrol vehicle to attend to the caller. Police officers can also generate various MIS reports to ascertain the effectiveness and efficiency of the patrol vehicles. Complainants can communicate through SMS also.

The network in the city has been established with a TETRA base station situated atop the Uthumalai Hills. Fourteen patrol vehicles are equipped with TETRA radios. The TETRA network has also been connected to the existing VHF network so that Salem police can continue to use the existing infrastructure too.

Source: THE HINDU.

Authored By: R. Ilangovan

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