diff --git a/config/config.go b/config/config.go
index ee74cbfb1..3f7e5ff55 100644
--- a/config/config.go
+++ b/config/config.go
@@ -78,6 +78,8 @@ func NewDefaultCGRConfig() (*CGRConfig, error) {
 	cfg.ConfigReloads[utils.SURETAX] <- struct{}{} // Unlock the channel
 	cfg.ConfigReloads[utils.DIAMETER_AGENT] = make(chan struct{}, 1)
 	cfg.ConfigReloads[utils.DIAMETER_AGENT] <- struct{}{} // Unlock the channel
+	cfg.ConfigReloads[utils.SMAsterisk] = make(chan struct{}, 1)
+	cfg.ConfigReloads[utils.SMAsterisk] <- struct{}{} // Unlock the channel
 	cgrJsonCfg, err := NewCgrJsonCfgFromReader(strings.NewReader(CGRATES_CFG_JSON))
 	if err != nil {
 		return nil, err
@@ -1098,5 +1100,7 @@ func (self *CGRConfig) ResourceLimiterCfg() *ResourceLimiterConfig {
 
 // ToDo: fix locking here
 func (self *CGRConfig) SMAsteriskCfg() *SMAsteriskCfg {
+	cfgChan := <-self.ConfigReloads[utils.SMAsterisk] // Lock config for read or reloads
+	defer func() { self.ConfigReloads[utils.SMAsterisk] <- cfgChan }()
 	return self.smAsteriskCfg
 }
diff --git a/utils/consts.go b/utils/consts.go
index c86d7351d..29618b0f4 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -330,4 +330,5 @@ const (
 	EVT_ACCOUNT_BALANCE_MODIFIED = "ACCOUNT_BALANCE_MODIFIED"
 	EVT_ACTION_TRIGGER_FIRED     = "ACTION_TRIGGER_FIRED"
 	EVT_ACTION_TIMING_FIRED      = "ACTION_TRIGGER_FIRED"
+	SMAsterisk                   = "sm_asterisk"
 )