add RUA asn.1 syntax from 3GPP TS 25.468 V12.1.0 (2014-12)
diff --git a/asn1/rua/RUA-IEs.asn b/asn1/rua/RUA-IEs.asn
new file mode 100644
index 0000000..ca594b8
--- /dev/null
+++ b/asn1/rua/RUA-IEs.asn
@@ -0,0 +1,191 @@
+-- **************************************************************
+--
+-- Information Element Definitions
+--
+-- **************************************************************
+
+RUA-IEs {
+itu-t (0) identified-organization (4) etsi (0) mobileDomain (0)
+umts-Access (20) modules (3) rua(5) version1 (1) rUA-IEs (2) }
+
+DEFINITIONS AUTOMATIC TAGS ::=
+
+BEGIN
+
+IMPORTS
+ maxNrOfErrors
+FROM RUA-Constants
+
+ Criticality,
+ ProcedureCode,
+ ProtocolIE-ID,
+ TriggeringMessage
+FROM RUA-CommonDataTypes
+
+ ProtocolExtensionContainer{},
+ RUA-PROTOCOL-EXTENSION
+FROM RUA-Containers;
+
+
+CN-DomainIndicator ::= ENUMERATED {
+ cs-domain,
+ ps-domain
+}
+
+CSGMembershipStatus ::= ENUMERATED {
+ member,
+ non-member,
+ ...
+}
+
+Establishment-Cause ::= ENUMERATED {
+ emergency-call,
+ normal-call,
+ ...
+}
+
+
+
+
+
+Context-ID ::= BIT STRING (SIZE(24))
+
+IntraDomainNasNodeSelector ::= SEQUENCE {
+ version CHOICE {
+ release99 SEQUENCE {
+ cn-Type CHOICE {
+ gsm-Map-IDNNS Gsm-map-IDNNS,
+ ansi-41-IDNNS Ansi-41-IDNNS
+ }
+ },
+ later SEQUENCE {
+ futurecoding BIT STRING (SIZE (15))
+ }
+ }
+}
+
+Gsm-map-IDNNS ::= SEQUENCE {
+ routingbasis CHOICE {
+ localPTMSI SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ tMSIofsamePLMN SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ tMSIofdifferentPLMN SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ iMSIresponsetopaging SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ iMSIcauseUEinitiatedEvent SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ iMEI SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ spare2 SEQUENCE {
+ routingparameter RoutingParameter
+ },
+ spare1 SEQUENCE {
+ routingparameter RoutingParameter
+ }
+ },
+ -- dummy is not used in this version of the specification and
+ -- it should be ignored by the receiver.
+ dummy BOOLEAN
+}
+
+
+Ansi-41-IDNNS ::= BIT STRING (SIZE (14))
+
+RANAP-Message ::= OCTET STRING
+
+RoutingParameter ::= BIT STRING (SIZE (10))
+
+
+-- **************************************************************
+--
+-- Cause IE
+--
+-- **************************************************************
+
+Cause ::= CHOICE {
+ radioNetwork CauseRadioNetwork,
+ transport CauseTransport,
+ protocol CauseProtocol,
+ misc CauseMisc,
+ ...
+}
+CauseRadioNetwork ::= ENUMERATED {
+ normal,
+ connect-failed,
+ network-release,
+ unspecified,
+ ...
+}
+CauseTransport ::= ENUMERATED {
+ transport-resource-unavailable,
+ unspecified,
+ ...
+}
+
+CauseProtocol ::= ENUMERATED {
+ transfer-syntax-error,
+ abstract-syntax-error-reject,
+ abstract-syntax-error-ignore-and-notify,
+ message-not-compatible-with-receiver-state,
+ semantic-error,
+ unspecified,
+ abstract-syntax-error-falsely-constructed-message,
+ ...
+}
+
+CauseMisc ::= ENUMERATED {
+ processing-overload,
+ hardware-failure,
+ o-and-m-intervention,
+ unspecified,
+ ...
+}
+
+-- **************************************************************
+--
+-- CriticalityDiagnostics
+--
+-- **************************************************************
+
+CriticalityDiagnostics ::= SEQUENCE {
+ procedureCode ProcedureCode OPTIONAL,
+ triggeringMessage TriggeringMessage OPTIONAL,
+ procedureCriticality Criticality OPTIONAL,
+ iEsCriticalityDiagnostics CriticalityDiagnostics-IE-List OPTIONAL,
+ iE-Extensions ProtocolExtensionContainer { {CriticalityDiagnostics-ExtIEs} } OPTIONAL,
+ ...
+}
+
+CriticalityDiagnostics-IE-List ::= SEQUENCE (SIZE (1..maxNrOfErrors)) OF
+ SEQUENCE {
+ iECriticality Criticality,
+ iE-ID ProtocolIE-ID,
+ typeOfError TypeOfError,
+ iE-Extensions ProtocolExtensionContainer { {CriticalityDiagnostics-IE-List-ExtIEs} } OPTIONAL,
+ ...
+ }
+
+CriticalityDiagnostics-IE-List-ExtIEs RUA-PROTOCOL-EXTENSION ::= {
+ ...
+}
+
+CriticalityDiagnostics-ExtIEs RUA-PROTOCOL-EXTENSION ::= {
+ ...
+}
+
+
+TypeOfError ::= ENUMERATED {
+ not-understood,
+ missing,
+ ...
+}
+
+END