diff --git a/api/abstract_olt_api.proto b/api/abstract_olt_api.proto
index 6c5304b..f592b38 100644
--- a/api/abstract_olt_api.proto
+++ b/api/abstract_olt_api.proto
@@ -78,16 +78,28 @@
    int32 OntNumber=4;
    string SerialNumber=5;
 }
+message PreProvisionOntMessage{
+   string CLLI=1;
+   int32 SlotNumber=2;
+   int32 PortNumber=3;
+   int32 OntNumber=4;
+   uint32 STag=5;
+   uint32 CTag=6;
+   string NasPortID=7;
+   string CircuitID=8;
+   string TechProfile=9;
+   string SpeedProfile=10;
+}
 message AddOntFullMessage{
    string CLLI=1;
    int32 SlotNumber=2;
    int32 PortNumber=3;
    int32 OntNumber=4;
    string SerialNumber=5;
-   uint32 STag=7;
-   uint32 CTag=8;
-   string NasPortID=9;
-   string CircuitID=10;
+   uint32 STag=6;
+   uint32 CTag=7;
+   string NasPortID=8;
+   string CircuitID=9;
 }
 message AddOntReturn{
    bool Success=1;
@@ -147,6 +159,18 @@
 	 body:"*"
       };
    }
+   rpc PreProvisionOnt(PreProvisionOntMessage) returns (AddOntReturn) {
+      option(google.api.http) = {
+         post:"/v1/PreProvsionOnt"
+	 body:"*"
+      };
+   }
+   rpc ActivateSerial(AddOntMessage) returns (AddOntReturn) {
+      option(google.api.http) = {
+         post:"/v1/ActivateSerial"
+	 body:"*"
+      };
+   }
    rpc ProvisionOnt(AddOntMessage) returns (AddOntReturn) {
       option(google.api.http) = {
          post:"/v1/ProvsionOnt"