FIELD: physics, communications.
SUBSTANCE: invention relates to a method and apparatus for identifying Voice over Internet Protocol (VoIP) traffic. The method involves identifying a packet related to a control connection by matching keywords according to an identification rule of the MGCP; extracting media connection negotiation information for establishing a media connection from the packet related to the control connection; matching the media connection negotiation information according to a transaction identification (ID) in the media connection negotiation information; and identifying MGCP based VoIP traffic according to matching results.
EFFECT: enabling identification of VoIP traffic based on MGCP connection protocol.
12 cl, 5 dwg
