diff --git a/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/MtCommonSbb.java b/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/MtCommonSbb.java
index b584a620e..4fc3bbe45 100644
--- a/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/MtCommonSbb.java
+++ b/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/MtCommonSbb.java
@@ -556,6 +556,35 @@ protected AddressString getServiceCenterAddressString(int networkId) {
                     org.mobicents.protocols.ss7.map.api.primitives.NumberingPlan.ISDN, smscPropertiesManagement.getServiceCenterGt(networkId));
         }
     }
+    
+    /**
+     * TODO : This is repetitive in each Sbb. Find way to make it static
+     * probably?
+     * 
+     * This is our own number. We are Service Center.
+     * 
+     * @return
+     */
+    protected AddressString getServiceCenterAddressString(String mtLocalSccpGt, int networkId) {
+        if (mtLocalSccpGt == null) {
+            if (networkId == 0) {
+                mtLocalSccpGt = smscPropertiesManagement.getServiceCenterGt();
+            } else {
+                mtLocalSccpGt = smscPropertiesManagement.getServiceCenterGt(networkId);
+            }
+        }
+        
+        if (networkId == 0) {
+            if (this.serviceCenterAddress == null) {
+                this.serviceCenterAddress = this.mapParameterFactory.createAddressString(AddressNature.international_number,
+                        org.mobicents.protocols.ss7.map.api.primitives.NumberingPlan.ISDN, mtLocalSccpGt);
+            }
+            return this.serviceCenterAddress;
+        } else {
+            return this.mapParameterFactory.createAddressString(AddressNature.international_number,
+                    org.mobicents.protocols.ss7.map.api.primitives.NumberingPlan.ISDN, mtLocalSccpGt);
+        }
+    }
 
     /**
      * TODO: This should be configurable and static as well
diff --git a/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/SriSbb.java b/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/SriSbb.java
index 3e3bd7164..b979b4324 100644
--- a/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/SriSbb.java
+++ b/core/slee/services/sbbs/src/main/java/org/mobicents/smsc/slee/services/mt/SriSbb.java
@@ -517,13 +517,15 @@ private void sendSRI(SmsSet smsSet, String destinationAddress, int ton, int npi,
 		MAPDialogSms mapDialogSms = null;
 		try {
 		    Sms sms0 = smsSet.getSms(0); 
+		    String mtLocalSccpGt = null;
 		    Integer mtRemoteSccpTt = null;
 		    if (sms0 != null) {
+		        mtLocalSccpGt = sms0.getMtLocalSccpGt();
 		        mtRemoteSccpTt = sms0.getMtRemoteSccpTt();
 		    }
 			// 1. Create Dialog first and add the SRI request to it
 			mapDialogSms = this.setupRoutingInfoForSMRequestIndication(destinationAddress, ton, npi,
-					mapApplicationContext, smsSet.getNetworkId(), mtRemoteSccpTt);
+					mapApplicationContext, smsSet.getNetworkId(), mtLocalSccpGt, mtRemoteSccpTt);
 
 			// 2. Create the ACI and attach this SBB
 			ActivityContextInterface sriDialogACI = this.mapAcif.getActivityContextInterface(mapDialogSms);
@@ -545,7 +547,7 @@ private void sendSRI(SmsSet smsSet, String destinationAddress, int ton, int npi,
 	}
 
 	private MAPDialogSms setupRoutingInfoForSMRequestIndication(String destinationAddress, int ton, int npi,
-			MAPApplicationContext mapApplicationContext, int networkId, Integer newMtRemoteSccpTt) throws MAPException {
+			MAPApplicationContext mapApplicationContext, int networkId, String newMtLocalSccpGt, Integer newMtRemoteSccpTt) throws MAPException {
 		// this.mapParameterFactory.creat
 
         String hlrAddress = destinationAddress;
@@ -560,7 +562,7 @@ private MAPDialogSms setupRoutingInfoForSMRequestIndication(String destinationAd
 		mapDialogSms.setNetworkId(networkId);
 
 		ISDNAddressString isdn = this.getCalledPartyISDNAddressString(destinationAddress, ton, npi);
-		AddressString serviceCenterAddress = this.getServiceCenterAddressString(networkId);
+		AddressString serviceCenterAddress = this.getServiceCenterAddressString(newMtLocalSccpGt, networkId);
 		boolean sm_RP_PRI = true;
 		mapDialogSms.addSendRoutingInfoForSMRequest(isdn, sm_RP_PRI, serviceCenterAddress, null, false, null, null,
 				null);