CALL DURATION PROCESSING METHOD, APPARATUS AND SYSTEM

摘要

Disclosed are a call duration processing method, a call duration processing apparatus and a call duration processing system. The method comprises: when a calling terminal is switched from a first MSC to a second MSC, the first MSC receiving instruction information carrying an instruction that a call is answered by a called terminal; the first MSC generating an interoffice answer message carrying the instruction information; and the first MSC sending the interoffice answer message to the second MSC; the second MSC, according to the instruction information, notifying the calling terminal that the called terminal already answers the call, and instructing the calling terminal to start measuring a call duration of the current call. The present invention implements that, after MSC switching of a calling terminal, the calling terminal can acquire the duration during which a called terminal answers a call, so that accuracy of call duration measurement of a calling terminal is enhanced.