12. A computer-implemented method comprising: (A) at a speech recognition server: (A)(1) receiving a speech stream and a control stream from a client; (A)(2) using an automatic speech recognition engine to recognize a first portion of the speech stream and thereby to produce a first speech recognition result; (B) at the speech recognition server, if the first speech recognition result satisfies a first predetermined criterion specified by the control stream, then waiting until the speech recognition engine has been reconfigured before continuing to (C); and (C) at the speech recognition server, using the automatic speech recognition engine to recognize a second portion of the speech stream and thereby to produce a second speech recognition result.
20. The method of claim 12 , wherein (C) further comprises executing one of the control messages to reconfigure the speech recognition engine after (B).