Patent ID: 7933263

Claim:
In a computer system including system memory, a method of detecting data packets relating to a call in a voice-over-IP system, the method comprising: detecting a data packet of a voice-over-IP call, wherein call signaling data are missing or not detectable or understandable; determining whether the data packet corresponds to RTP or RTCP protocols including checking a packet version field, a padding bit field, a payload type field, an extension bit; or a length of the packet to determine whether the data packet corresponds to RTP or RTCP protocols; if the data packet corresponds to RTP or RTCP protocols, determining whether the RTP or RTCP data packet can be associated with a previously identified call; and if the RTP or RTCP data packet cannot be associated with a previously identified call, creating a call record pertaining to the RTP or RTCP data packet in a call memory.