--- ../../new-aster/asterisk/channels/chan_vpb.c        2004-04-28 11:26:09.000000000 +0300
+++ channels/chan_vpb.c 2004-05-11 18:59:57.000000000 +0300
@@ -1177,6 +1177,7 @@
 
        /* Stop record */
        p->stopreads = 1;
+       sleep(3); 
        if( p->readthread )
                pthread_join(p->readthread, NULL); 
 
@@ -1455,7 +1456,8 @@
 
                        // Using trylock here to prevent deadlock when channel is hungup
                        // (ast_hangup() immediately gets lock)
-                       if (p->owner && (ast_mutex_trylock(&p->owner->lock)==0) ) {
+       if (p->owner  && !p->stopreads ) {
+                               ast_mutex_lock(&p->owner->lock);
                                ast_queue_frame(p->owner, fr);
                                ast_mutex_unlock(&p->owner->lock);
                                if (option_verbose > 4) {