Patent ID: 8249639
Filing Date: 2012-08-21
Classification: H04M,H04W

Abstract:
1. A method for charging of Push to Talk over Cellular, PoC, service, comprising: receiving a response message of PoC Box charging returned by a charging system after the charging system initializes charging of a PoC session during an ongoing session; monitoring a trigger condition of PoC charging according to the response message, wherein the trigger condition is PoC trigger type captured in CCA message; and judging, when a PoC user joins the PoC session, whether a session participation mode that the user participates in the session is a PoC Box mode, and if the user participates in the session by the PoC Box mode, setting a PoC Box identification for the user according to the response message, and sending charging information comprising the identification to the charging system so as to charge the PoC session of the user, wherein the charging information is sent during the ongoing session.