Import HNBAP asn.1 from 3GPP TS 25.469 V12.4.0 (2015-03)
diff --git a/asn1/hnbap/HNBAP-Constants.asn b/asn1/hnbap/HNBAP-Constants.asn
new file mode 100644
index 0000000..8603703
--- /dev/null
+++ b/asn1/hnbap/HNBAP-Constants.asn
@@ -0,0 +1,98 @@
+-- **************************************************************
+--
+-- Constant definitions
+--
+-- **************************************************************
+
+HNBAP-Constants {
+itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)
+umts-Access (20) modules (3) hnbap(6) version1 (1) hnbap-Constants (4) }
+
+DEFINITIONS AUTOMATIC TAGS ::=
+
+BEGIN
+
+IMPORTS
+ ProcedureCode,
+ ProtocolIE-ID
+FROM HNBAP-CommonDataTypes;
+
+
+-- **************************************************************
+--
+-- Elementary Procedures
+--
+id-HNBRegister ProcedureCode ::= 1
+id-HNBDe-Register ProcedureCode ::= 2
+id-UERegister ProcedureCode ::= 3
+id-UEDe-Register ProcedureCode ::= 4
+id-ErrorIndication ProcedureCode ::= 5
+id-privateMessage ProcedureCode ::= 6
+id-CSGMembershipUpdate ProcedureCode ::= 7
+id-TNLUpdate ProcedureCode ::= 9
+id-HNBConfigTransfer ProcedureCode ::= 10
+id-RelocationComplete ProcedureCode ::= 11
+id-U-RNTIQuery ProcedureCode ::= 14
+
+-- **************************************************************
+--
+-- Lists
+--
+-- **************************************************************
+maxNrOfErrors INTEGER ::= 256
+maxnoofRABs INTEGER ::= 256
+maxnoofAdditionalNeighbours INTEGER ::= 128
+maxnoofURAIdentities INTEGER ::= 8
+maxnoofNeighbours INTEGER ::= 32
+maxnoofIurhAddresses INTEGER ::= 3
+
+-- **************************************************************
+--
+-- IEs
+--
+-- **************************************************************
+
+id-Cause ProtocolIE-ID ::= 1
+id-CriticalityDiagnostics ProtocolIE-ID ::= 2
+id-HNB-Identity ProtocolIE-ID ::= 3
+id-Context-ID ProtocolIE-ID ::= 4
+id-UE-Identity ProtocolIE-ID ::= 5
+id-LAC ProtocolIE-ID ::= 6
+id-RAC ProtocolIE-ID ::= 7
+id-HNB-Location-Information ProtocolIE-ID ::= 8
+id-PLMNidentity ProtocolIE-ID ::= 9
+id-SAC ProtocolIE-ID ::= 10
+id-CellIdentity ProtocolIE-ID ::= 11
+id-Registration-Cause ProtocolIE-ID ::= 12
+id-UE-Capabilities ProtocolIE-ID ::= 13
+id-RNC-ID ProtocolIE-ID ::= 14
+id-CSG-ID ProtocolIE-ID ::= 15
+id-BackoffTimer ProtocolIE-ID ::= 16
+id-HNB-Internet-Information ProtocolIE-ID ::= 17
+id-HNB-Cell-Access-Mode ProtocolIE-ID ::= 18
+id-MuxPortNumber ProtocolIE-ID ::= 19
+id-Service-Area-For-Broadcast ProtocolIE-ID ::= 20
+id-CSGMembershipStatus ProtocolIE-ID ::= 21
+id-RABList ProtocolIE-ID ::= 22
+id-HNBConfigInfo ProtocolIE-ID ::= 23
+id-AccessResult ProtocolIE-ID ::= 25
+id-Update-cause ProtocolIE-ID ::= 26
+id-NeighbourInfoList ProtocolIE-ID ::= 27
+id-NeighbourInfoRequestList ProtocolIE-ID ::= 28
+id-Iurh-Signalling-TNL-Address ProtocolIE-ID ::= 29
+id-PSC ProtocolIE-ID ::= 30
+id-HNB-Cell-Identifier ProtocolIE-ID ::= 31
+id-Tunnel-Information ProtocolIE-ID ::= 41
+id-CELL-FACHMobilitySupport ProtocolIE-ID ::= 42
+id-S-RNTIPrefix ProtocolIE-ID ::= 43
+id-URAIdentity ProtocolIE-ID ::= 44
+id-NeighbourIdentity ProtocolIE-ID ::= 45
+id-HNBCapacity ProtocolIE-ID ::= 46
+id-NeighbourCellIdentityList ProtocolIE-ID ::= 47
+id-AdditionalNeighbourInfoList ProtocolIE-ID ::= 48
+id-U-RNTI ProtocolIE-ID ::= 49
+id-UnknownU-RNTIIndication ProtocolIE-ID ::= 50
+id-HNB-GWResponse ProtocolIE-ID ::= 51
+id-URAIdentityList ProtocolIE-ID ::= 52
+
+END