diff --git a/include/re_sipevent.h b/include/re_sipevent.h
index b080669..979fed7 100644
--- a/include/re_sipevent.h
+++ b/include/re_sipevent.h
@@ -20,7 +20,11 @@ enum sipevent_subst {
 };
 
 enum sipevent_reason {
-	SIPEVENT_TIMEOUT = 0,
+	SIPEVENT_DEACTIVATED = 0,
+	SIPEVENT_PROBATION,
+	SIPEVENT_REJECTED,
+	SIPEVENT_TIMEOUT,
+	SIPEVENT_GIVEUP,
 	SIPEVENT_NORESOURCE,
 };
 
@@ -60,9 +64,10 @@ int sipevent_accept(struct sipnot **notp, struct sipevent_sock *sock,
 		    uint32_t expires_max, const char *cuser, const char *ctype,
 		    sip_auth_h *authh, void *aarg, bool aref,
 		    sipevent_close_h *closeh, void *arg, const char *fmt, ...);
-int sipevent_notify(struct sipnot *not, struct mbuf *mb);
-int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp,
-		     const char *fmt, ...);
+int sipevent_notify(struct sipnot *not, struct mbuf *mb, bool term,
+		    enum sipevent_reason reason);
+int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp, bool term,
+		     enum sipevent_reason reason, const char *fmt, ...);
 
 
 /* Subscriber */
diff --git a/src/sipevent/msg.c b/src/sipevent/msg.c
index d2cc409..4ee2bb9 100644
--- a/src/sipevent/msg.c
+++ b/src/sipevent/msg.c
@@ -78,7 +78,7 @@ const char *sipevent_substate_name(enum sipevent_subst state)
 	case SIPEVENT_ACTIVE:     return "active";
 	case SIPEVENT_PENDING:    return "pending";
 	case SIPEVENT_TERMINATED: return "terminated";
-	default:                  return "???";
+	default:                  return "unknown";
 	}
 }
 
@@ -87,8 +87,12 @@ const char *sipevent_reason_name(enum sipevent_reason reason)
 {
 	switch (reason) {
 
-	case SIPEVENT_TIMEOUT:    return "timeout";
-	case SIPEVENT_NORESOURCE: return "noresource";
-	default:                  return "???";
+	case SIPEVENT_DEACTIVATED: return "deactivated";
+	case SIPEVENT_PROBATION:   return "probation";
+	case SIPEVENT_REJECTED:    return "rejected";
+	case SIPEVENT_TIMEOUT:     return "timeout";
+	case SIPEVENT_GIVEUP:      return "giveup";
+	case SIPEVENT_NORESOURCE:  return "noresource";
+	default:                   return "unknown";
 	}
 }
diff --git a/src/sipevent/notify.c b/src/sipevent/notify.c
index 4626775..790b1dc 100644
--- a/src/sipevent/notify.c
+++ b/src/sipevent/notify.c
@@ -400,20 +400,29 @@ int sipevent_accept(struct sipnot **notp, struct sipevent_sock *sock,
 }
 
 
-int sipevent_notify(struct sipnot *not, struct mbuf *mb)
+int sipevent_notify(struct sipnot *not, struct mbuf *mb, bool term,
+		    enum sipevent_reason reason)
 {
 	if (!not || not->terminated)
 		return EINVAL;
 
-	mem_deref(not->mb);
-	not->mb = mem_ref(mb);
+	if (mb || !term) {
+		mem_deref(not->mb);
+		not->mb = mem_ref(mb);
+	}
+
+	if (term) {
+		tmr_cancel(&not->tmr);
+		(void)terminate(not, reason);
+		return 0;
+	}
 
 	return sipnot_notify(not);
 }
 
 
-int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp,
-		     const char *fmt, ...)
+int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp, bool term,
+		     enum sipevent_reason reason, const char *fmt, ...)
 {
 	struct mbuf *mb;
 	va_list ap;
@@ -423,7 +432,7 @@ int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp,
 		return EINVAL;
 
 	if (mbp && *mbp)
-		return sipevent_notify(not, *mbp);
+		return sipevent_notify(not, *mbp, term, reason);
 
 	mb = mbuf_alloc(1024);
 	if (!mb)
@@ -437,7 +446,7 @@ int sipevent_notifyf(struct sipnot *not, struct mbuf **mbp,
 
 	mb->pos = 0;
 
-	err = sipevent_notify(not, mb);
+	err = sipevent_notify(not, mb, term, reason);
 	if (err)
 		goto out;