Patent ID: 7965828

Claim:
A method for detecting presence in a Voice over Internet Protocol communications system environment, comprising: subscribing to receive an indication related to events associated with a communication system, the events being subscribed to by a recorder controller; receiving a notification for an event, the event being associated with a communication between a first communications device and a second communications device and the notification being facilitated by an extraction of tagging data associated with presence data from the communication between the first device and the second communications device, the extraction including information related to an interaction invite and an interaction response; placing the tagging data into a Session Initiation Protocol (SIP) header of the communication; receiving a request from the second communications device at the recorder controller to determine recording resources to record at least a portion of the communication in response to the notification; and recording the portion of the communication having the Session Initiation Protocol (SIP) header based on information contained in Session Initiation Protocol (SIP) header of the portion of the communication.