diff --git a/sessionmanager/event.go b/sessionmanager/event.go
index 914c60f73..b8f964ba4 100644
--- a/sessionmanager/event.go
+++ b/sessionmanager/event.go
@@ -46,4 +46,5 @@ type Event interface {
 	ParseEventValue(*utils.RSRField) string
 	PassesFieldFilter(*utils.RSRField) (bool, string)
 	AsStoredCdr() *utils.StoredCdr
+	String() string
 }
diff --git a/sessionmanager/fssessionmanager.go b/sessionmanager/fssessionmanager.go
index 38081b28b..45fc4ba33 100644
--- a/sessionmanager/fssessionmanager.go
+++ b/sessionmanager/fssessionmanager.go
@@ -24,6 +24,7 @@ import (
 	"fmt"
 	"log/syslog"
 	"net"
+	"strings"
 	"time"
 
 	"github.com/cgrates/cgrates/config"
@@ -253,7 +254,12 @@ func (sm *FSSessionManager) OnChannelAnswer(ev Event) {
 
 func (sm *FSSessionManager) OnChannelHangupComplete(ev Event) {
 	go sm.processCdr(ev.AsStoredCdr())
-	engine.Logger.Debug(fmt.Sprintf("<SessionManager> OnHangup: StoredCdr: <<<%+v>>>, Event <<<%+v>>>", ev.AsStoredCdr(), ev))
+	engine.Logger.Debug(fmt.Sprintf("<SessionManager> OnHangup: StoredCdr: <%+v>", ev.AsStoredCdr()))
+	engine.Logger.Debug("###EVENT_START###")
+	for _, ln := range strings.Split(ev.String(), "\n") {
+		engine.Logger.Debug(ln)
+	}
+	engine.Logger.Debug("###EVENT_END###")
 	s := sm.GetSession(ev.GetUUID())
 	if s == nil { // Not handled by us
 		return
diff --git a/sessionmanager/osipsevent.go b/sessionmanager/osipsevent.go
index 21342f5e9..074c74895 100644
--- a/sessionmanager/osipsevent.go
+++ b/sessionmanager/osipsevent.go
@@ -60,6 +60,10 @@ func (osipsev *OsipsEvent) New(evStr string) Event {
 	return osipsev
 }
 
+func (osipsev *OsipsEvent) String() string {
+	return ""
+}
+
 func (osipsev *OsipsEvent) GetName() string {
 	return osipsev.osipsEvent.Name
 }