--- asterisk-12.2.0/channels/chan_sip.c 2014-04-21 17:02:00.000000000 -0400
+++ asterisk-12.2.0-modified/channels/chan_sip.c        2014-05-24 20:44:28.559519094 -0400
@@ -6566,8 +6566,12 @@
        AST_SCHED_DEL(sched, reg->expire);
        AST_SCHED_DEL(sched, reg->timeout);

+       if ((reg->registryadded))
+       {
+               ast_atomic_fetchadd_int(&regobjs, -1);
+       }
+
        ast_string_field_free_memory(reg);
-       ast_atomic_fetchadd_int(&regobjs, -1);
        ast_free(reg);
 }

@@ -9556,6 +9560,7 @@
                registry_unref(tmp, "throw away found registry");
        } else {
                ast_atomic_fetchadd_int(&regobjs, 1);
+               reg->registryadded = 1;
                ASTOBJ_CONTAINER_LINK(&regl, reg);
        }

--- asterisk-12.2.0/channels/sip/include/sip.h  2014-04-21 17:02:00.000000000 -0400
+++ asterisk-12.2.0-modified/channels/sip/include/sip.h 2014-05-24 20:37:42.557555124 -0400
@@ -1414,6 +1414,7 @@
        struct ast_sockaddr us;  /*!< Who the server thinks we are */
        int noncecount;         /*!< Nonce-count */
        char lastmsg[256];      /*!< Last Message sent/received */
+       unsigned short registryadded:1; /*!< If this registry object is already added to registry list */
 };

 struct tcptls_packet {