| • | If you have a vserver 'test', dont enter vserver, but: |  
 cd /vservers/pbxware2.1/home/servers/pbxware/build/zaptel-*  vi zconfig.h     | • | You'll be able to see this: |  
 /*   * Pick your echo canceller: MARK2, MARK3, STEVE, or STEVE2  :)    *   */  /* #define ECHO_CAN_STEVE */  /* #define ECHO_CAN_STEVE2 */  /* #define ECHO_CAN_MARK */  /* #define ECHO_CAN_MARK2 */  /* #define ECHO_CAN_MARK3 */  #define ECHO_CAN_KB1  /* MG2 is a version of KB1 that has some changes to it that are   * supposed to improve how it performs.  If you have echo problems,   * try it out! */  /* #define ECHO_CAN_MG2 */        | • | Comment the following line: |  
 /* #define ECHO_CAN_KB1 */     Uncomment one of the others, for instance:  #define ECHO_CAN_MG2        make clean  make  make install     | • | Then look up at the modules in the list |  
 lsmod        | • | Stop 'zaptel' and 'wanrouter' modules and then they have to be restarted in order for these new settings to take place. |  
       
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