13. The method of claim 9 , in which the data indicating one or more performance statistics of the first call includes a percent of time speaking versus dead air time on the first call.
9. The method of claim 1 , further comprising: storing data indicating one or more performance statistics of the first call; initiating a second captioned telephone service call; retrieving the data indicating one or more performance statistics of the first call; and using, on the second captioned telephone service call, the human captioner or the automated speech recognition captioner based on the stored data.