--- asterisk-1.6.1.12-rc1/main/dsp.c    2009-12-04 14:51:48.000000000 -0100
+++ asterisk-1.6.1.12-rc1-patched/main/dsp.c    2009-12-14 12:05:50.000000000 -0100
@@ -1625,6 +1625,9 @@

                ast_config_destroy(cfg);
        }
+       else
+               thresholds[THRESHOLD_SILENCE] = 256;
+
        return 0;
 }