Index: gw/smppbox.c
===================================================================
--- gw/smppbox.c	(revision 44)
+++ gw/smppbox.c	(working copy)
@@ -1583,8 +1583,8 @@
     boxc->alt_charset = NULL; /* todo: get from config */
     boxc->version = 0x33; /* default value, set upon receiving a bind */
     boxc->route_to_smsc = route_to_smsc ? octstr_duplicate(route_to_smsc) : NULL;
-    boxc->msg_acks = dict_create(10, smpp_pdu_destroy_item);
-    boxc->deliver_acks = dict_create(10, msg_destroy_item);
+    boxc->msg_acks = dict_create(200, smpp_pdu_destroy_item);
+    boxc->deliver_acks = dict_create(200, msg_destroy_item);
 
     boxc->service_type = NULL;
 
