diff --git a/openbsc/include/openbsc/mgcp.h b/openbsc/include/openbsc/mgcp.h
index 7f77868..38fe504 100644
--- a/openbsc/include/openbsc/mgcp.h
+++ b/openbsc/include/openbsc/mgcp.h
@@ -76,6 +76,7 @@
 #define MGCP_POLICY_REJECT	5
 #define MGCP_POLICY_DEFER	6
 
+typedef int (*mgcp_realloc)(struct mgcp_config *cfg, int endpoint);
 typedef int (*mgcp_change)(struct mgcp_config *cfg, int endpoint, int state);
 typedef int (*mgcp_policy)(struct mgcp_config *cfg, int endpoint, int state, const char *transactio_id);
 typedef int (*mgcp_reset)(struct mgcp_config *cfg);
@@ -121,6 +122,7 @@
 	mgcp_change change_cb;
 	mgcp_policy policy_cb;
 	mgcp_reset reset_cb;
+	mgcp_realloc realloc_cb;
 	void *data;
 
 	struct mgcp_endpoint *endpoints;
diff --git a/openbsc/src/mgcp/mgcp_protocol.c b/openbsc/src/mgcp/mgcp_protocol.c
index e5f9a14..828c33b 100644
--- a/openbsc/src/mgcp/mgcp_protocol.c
+++ b/openbsc/src/mgcp/mgcp_protocol.c
@@ -435,6 +435,8 @@
 			LOGP(DMGCP, LOGL_NOTICE, "Endpoint 0x%x already allocated. Forcing realloc.\n",
 			    ENDPOINT_NUMBER(endp));
 			mgcp_free_endp(endp);
+			if (cfg->realloc_cb)
+				cfg->realloc_cb(cfg, ENDPOINT_NUMBER(endp));
 		} else {
 			LOGP(DMGCP, LOGL_ERROR, "Endpoint is already used. 0x%x\n",
 			     ENDPOINT_NUMBER(endp));