1. A system comprising: a connection manager to establish a verbal communication session on a transmission channel between at least two communication participants; a receiver to receive a transmission from the transmission channel associated with a channel identification, wherein the transmission comprises a voice input from a first communication participant; a voice analyzer coupled to the receiver, wherein the voice analyzer is configured to analyze the voice input and to generate a plurality of voice metrics according to a plurality of analysis parameters, wherein the voice metrics are descriptive of: a count of signal crossings within a segment of a frequency band; and an angular slope of a portion of a frequency signal within the segment of the frequency band; a voice identifier coupled to the voice analyzer, wherein the voice identifier is configured to compare the voice metrics to one or more stored sets of voice metrics, wherein each set of voice metrics corresponds to a voice identification associated with the channel identification, and the voice identifier is further configured to identify a match between the voice metrics from the voice analyzer and at least one of the stored sets of voice metrics; and a script manager to electronically modify a script presented to a second participant in response to identifying the match.