push to talk in Singapore

Smartcom Pte Ltd is a Push-to-Talk (PTT) solutions provider for various industries, including retail, oil & gas, logistics, public transportation, healthcare, emergency services, construction…

Grid Mobile is one of the leading mobile virtual network operators (MVNO) in Singapore. Launched on 27 June 2019, it is the brainchild of GRID Communications, a joint venture between Singtel and …