*** chan_misdn.c.orig	Sat Jan 16 17:56:53 2010
--- chan_misdn.c	Sat Jan 16 22:51:48 2010
***************
*** 855,860 ****
--- 855,867 ----
  
  	diff = ast_tvdiff_ms(tv_end, tv_now);
  
+ 	if (ast_exists_extension(ch->ast, ch->context, ch->bc->dad, 1, ch->bc->oad)
+ 	 && !ast_matchmore_extension(ch->ast, ch->context, ch->bc->dad, 1, ch->bc->oad) ) {
+ 		/* unique extension found */
+ 		chan_misdn_log(4, ch->bc->port, "leave overlap dial...\n");
+ 		diff=0;
+ 	}
+ 
  	if (diff <= 100) {
  		char *dad=ch->bc->dad, sexten[]="s";
  		/* if we are 100ms near the timeout, we are satisfied.. */
***************
*** 4280,4285 ****
--- 4287,4300 ----
  				}
  			}
  			
+ 			if (ast_exists_extension(ch->ast, ch->context, bc->dad, 1, bc->oad) && !ast_matchmore_extension(ch->ast, ch->context, bc->dad, 1, bc->oad) ) {
+ 				/* unique extension found */
+ 				chan_misdn_log(4, ch->bc->port, "leave overlap dial...\n");
+ 				ch->state = MISDN_DIALING;
+ 				start_pbx(ch, bc, ch->ast);
+ 				break;
+ 			}
+ 			
  			if (!ast_canmatch_extension(ch->ast, ch->context, bc->dad, 1, bc->oad)) {
  				if (ast_exists_extension(ch->ast, ch->context, "i", 1, bc->oad)) {
  					ast_log(LOG_WARNING,