diff --git a/asn1/SS-Errors.asn b/asn1/SS-Errors.asn
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+-- $Id: SS-Errors.asn 32509 2010-04-19 05:58:01Z etxrab $
+-- 3GPP TS 24.080 V9.1.0 (2010-03)
+-- 4.3.1	Errors ASN.1 specification
+-- The following ASN.1 module provides an ASN.1 specification of errors. Errors from MAP are imported in the SS Protocol module in subclause 4.5. The module defines errors by allocating them a local value. For the involved errors the same local values as in MAP are allocated.
+
+SS-Errors {
+   itu-t identified-organization (4) etsi (0) mobileDomain (0) gsm-Access (2) modules (3)
+   ss-Errors (1) version10 (10)}
+
+DEFINITIONS ::=
+
+BEGIN
+
+IMPORTS
+
+ERROR FROM
+Remote-Operations-Information-Objects {joint-iso-itu-t remote-operations(4)
+  informationObjects(5) version1(0)};
+
+-- The MAP errors
+-- unknownSubscriber, bearerServiceNotProvisioned, teleserviceNotProvisioned,
+-- illegalSS-Operation, ss-ErrorStatus, ss-NotAvailable, ss-SubscriptionViolation,
+-- ss-Incompatibility, systemFailure, dataMissing, unexpectedDataValue, facilityNotSupported,
+-- pw-RegistrationFailure, negativePW-Check, callBarred, numberOfPW-AttemptsViolation,
+-- absentSubscriber, illegalSubscriber, illegalEquipment, ussd-Busy, unknownAlphabet,
+-- forwardingViolation, forwardingFailed
+-- are imported from MAP-Errors in SS-Protocol module.
+
+-- errors definition
+resourcesNotAvailable  ERROR ::= {
+	CODE	local:127 }
+maxNumberOfMPTY-ParticipantsExceeded  ERROR ::= {
+	CODE	local:126 }
+invalidDeflectedToNumber  ERROR ::= {
+	CODE	local:125 }
+specialServiceCode  ERROR ::= {
+	CODE	local:124 }
+deflectionToServedSubscriber  ERROR ::= {
+	CODE	local:123 }
+rejectedByNetwork  ERROR ::= {
+	CODE	local:122 }
+rejectedByUser  ERROR ::= {
+	CODE	local:121 }
+
+END
+