[root@pbx-1 patches]# cat zaptel-dtmf-length.patch zaptel-echocan.patch zaptel-kewlstart-length.patch
diff -ur zaptel.orig/digits.h zaptel/digits.h
--- zaptel.orig/digits.h        2001-12-08 13:28:09.000000000 -0600
+++ zaptel/digits.h     2005-05-04 06:58:49.000000000 -0500
@@ -20,7 +20,7 @@
 #ifndef _DIGITS_H
 #define _DIGITS_H

-#define DEFAULT_DTMF_LENGTH    100 * 8
+#define DEFAULT_DTMF_LENGTH    250 * 8
 #define DEFAULT_MFV1_LENGTH    60 * 8
 #define        PAUSE_LENGTH            500 * 8

diff -ur zaptel.orig/zconfig.h zaptel/zconfig.h
--- zaptel.orig/zconfig.h       2005-01-01 18:19:57.000000000 -0600
+++ zaptel/zconfig.h    2005-05-04 07:04:03.000000000 -0500
@@ -46,8 +46,8 @@
 /* #define ECHO_CAN_STEVE */
 /* #define ECHO_CAN_STEVE2 */
 /* #define ECHO_CAN_MARK */
-#define ECHO_CAN_MARK2
-/* #define ECHO_CAN_MARK3 */
+/* #define ECHO_CAN_MARK2 */
+#define ECHO_CAN_MARK3

 /*
  * Uncomment for aggressive residual echo supression under
*** zaptel/zaptel.h.orig        2005-03-02 03:16:42.000000000 -0600
--- zaptel/zaptel.h     2005-03-02 03:19:44.000000000 -0600
***************
*** 860,866 ****
  #define       ZT_AFTERSTART_TIME 500          /* 500ms after start */

  #define ZT_RINGOFFTIME 4000           /* Turn off ringer for 4000 ms */
! #define       ZT_KEWLTIME 500         /* 500ms for kewl pulse */
  #define       ZT_AFTERKEWLTIME 300    /* 300ms after kewl pulse */

  #define ZT_MAX_PRETRAINING   1000     /* 1000ms max pretraining time */
--- 860,866 ----
  #define       ZT_AFTERSTART_TIME 500          /* 500ms after start */

  #define ZT_RINGOFFTIME 4000           /* Turn off ringer for 4000 ms */
! #define       ZT_KEWLTIME 800         /* 800ms for kewl pulse */
  #define       ZT_AFTERKEWLTIME 300    /* 300ms after kewl pulse */

  #define ZT_MAX_PRETRAINING   1000     /* 1000ms max pretraining time */