NEW DELHI: State-owned Bharat Sanchar Nigam Limited BSNL ) on Friday launched Tactilon Agnet-500 , device and network agnostic app to replace Walkie-Talkie for public safety and disaster management services.The app-based solution is developed by Airbus Defence and Space. The crisis communication app runs on existing smartphones using the mobile broadband connectivity or IP connectivity of any operator."We are filling a gap in critical communications. This is a big leap by putting multimedia content such as voice, video, and location that can help agencies with better coordination," BSNL chairman PK Purwar said.The service in critical situations, according to Purwar can be accessed in a closed group communication for emergency scenarios in sectors like healthcare, policing and fire department.State-controlled BSNL has been at the forefront of disaster management in situations such as earthquakes, tsunami, and floods."It is a subscription-based workforce collaboration service for both business-critical and mission-critical markets," BSNL and Airbus in a joint statement said.It allows real-time coordination among large teams along with multimedia communications. In the absence of a GSM network, the communication can be done through satellite-based internet Wi-Fi connections majorly in remote areas."The solution meets all critical communication needs by leveraging the benefits of mobile broadband, LTE and cloud technology," the company further added.Higher bandwidth application such as video, data and footage sharing is done with enhanced security like end-to-end encryption, media ciphering, location and mapping solutions, the company added.