***************
*** 2308,2314 ****
        len = strlen(d->exten);

        while (len < AST_MAX_EXTENSION-1) {
-
                res = 1;  /* Assume we will get a digit */
                while (strlen(d->exten) == len) {
                        ast_safe_sleep(c, loop_pause);
--- 2331,2336 ----
        len = strlen(d->exten);

        while (len < AST_MAX_EXTENSION-1) {
                res = 1;  /* Assume we will get a digit */
                while (strlen(d->exten) == len) {
                        ast_safe_sleep(c, loop_pause);
***************
*** 2358,2363 ****
                        }
                } else if (res == 0) {
                        ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
                        transmit_tone(s, SKINNY_REORDER);
                        if (sub->owner && sub->owner->_state != AST_STATE_UP) {
                                ast_indicate(c, -1);
--- 2380,2386 ----
                        }
                } else if (res == 0) {
                        ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
+                       memset(d->exten, 0, sizeof(d->exten));
                        transmit_tone(s, SKINNY_REORDER);
                        if (sub->owner && sub->owner->_state != AST_STATE_UP) {
                                ast_indicate(c, -1);
***************
*** 2367,2372 ****
                } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
                           ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
                        ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", d->exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
                        transmit_tone(s, SKINNY_REORDER);
                        /* hang out for 3 seconds to let congestion play */
                        ast_safe_sleep(c, 3000);
--- 2390,2396 ----
                } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
                           ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
                        ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", d->exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
+                       memset(d->exten, 0, sizeof(d->exten));
                        transmit_tone(s, SKINNY_REORDER);
                        /* hang out for 3 seconds to let congestion play */
                        ast_safe_sleep(c, 3000);
***************
*** 2382,2387 ****
        if (c)
                ast_hangup(c);

        return NULL;
  }

--- 2406,2412 ----
        if (c)
                ast_hangup(c);

+       memset(d->exten, 0, sizeof(d->exten));
        return NULL;
  }