Netstreams Constellation PoC solution taps into carriers’ wireless networks and offers solutions running in carriers’ cellular network, which breaks the spectrum limitation of traditional Push-to-talk (PTT) systems. The solution is customized to create a dedicated command and dispatch system without blind spots, supporting voice call, positioning, multimedia and other convergent features. It also supports interconnection the existing PTT system to protect users’ early investment. With the new system in place, there will be no information silos. Users from sectors such as public safety, security, logistics, transportation and healthcare are able to achieve unified command and dispatching and work with better audio quality, faster data transmission, more versatile features, and safer communications.