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The EXPLORER BGAN Push-To-Talk (PTT)
EXPLORER Push-To-Talk (PTT) is a rugged voice dispatch and communication system. It is a cost effective, IP based voice and data communication system designed to replace VHF/UHF based trunk radio systems widely used in the field service, search and rescue, utility, mining and Oil & Gas sectors. The system extends classical Push–To-Talk capabilities to hybrid data networks such as terrestrial 2G/3G/GPRS networks where available supplemented by the Inmarsat BGAN satellite network where no terrestrial network coverage is present. With no user intervention required the system automatically routes voice and data traffic via the least expensive network available.
The EXPLORER PTT solution is the result of 1½ years of field evaluation. The customer, a South American electricity distribution company covering 66.000 miles of distribution lines and a concessional area of 120.000 square kilometers were facing a communication challenge. They were using a traditional VHF trunk radio system provided by an infrastructure of 180 VHF towers with combined satellite and land line backhaul to the dispatch center. The mobile work force consisted of 500+ field engineers maintaining the power grid and serving subscribers on a daily basis. Faced with high infrastructure maintenance costs, poor VHF voice quality and limited coverage the company was looking for an alternative. They were looking for a cost efficient, simple and user friendly communication solution with a PTT/VHF user experience and with improved voice quality, support of data connectivity as well as expanded coverage.
The Push-To-Talk Solution
The EXPLORER PTT solution solved the majority of the built-in challenges of the previous VHF system.