1. A method for managing a voice over IP conversation between one or more clients on a communication channel, comprising: obtaining communication information relating to an existing conversation on a communication channel, wherein the communication information relating to the existing conversation comprises one or more packets of voice communication information and one or more packets of contextual information; identifying a set of evaluation criteria based on the one or more clients, the set of evaluation criteria specifying one or more rules used to determine whether the communication information includes undesirable content, wherein transmission of the undesirable content would constitute at least one of a policy breach and a security breach; determining whether at least one of the one or more packets of contextual information and the one or more packets of voice communication information includes undesirable content as specified by the evaluation criteria, the undesirable content determined from detecting a keyword within the communication information, based on a determination that at least one of the one or more packets of contextual information and at least one of the one or more packets of voice communication information includes undesirable content, altering the at least one of the one or more packets of contextual information and at least one of the one or more packets of voice communication information that includes the undesirable content; and based on a determination that the one or more packets of contextual information and the one or more packets of voice communication information do not include undesirable content, transmitting the one or more packets of contextual information and the one or more packets of voice communication information to a recipient client of the one or more clients.