Patent ID: 7539505
Filing Date: 2009-05-26
Classification: H04L,H04W

Abstract:
1. A method of providing a push-to-talk (PTT) based communication service to subscribers of the PTT service, the method comprising the steps of: transmitting a PTT call request message from a terminal of a requesting subscriber to a PTT server; analyzing the PTT call request message by deconstructing a natural language sentence of the PTT call request message into word entities, analyzing the word entities, and transforming the word entities into a data structure for correlating with profiles of subscribers of the PTT service, if the sentence is valid; correlating data gathered from the analysis with profiles of subscribers of the PTT service; dynamically creating a PTT group comprising the requesting subscriber and one or more subscribers selected from the other subscribers of the PTT service, based on the correlation results; sending an invitation message to the selected subscribers for establishing a PTT call; establishing a PTT communication connection among the terminal of the requesting subscriber and terminals of selected subscribers an approval message was received from; converting the dynamically created group into a static group; and storing the static group in the PTT server.