Push to talk over Cellular (PoC) provides a direct one-to-one and one-to-many voice communication service over cellular networks. The service presents a superb opportunity for mobile operators to boost their existing Average Revenue Per User (ARPU), as well as win new users, by providing a popular two-way radio service over attractive cellular phones. Users can form ad hoc talk groups without having to contact their service providers. This encourages spontaneous and flexible group communication. PoC serves the diverse needs of both business and private users, ranging from controlled team management to the spontaneous sharing of fun experiences.
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