-- QSIG-CT.asn
--
-- Taken from Ecma International
-- Standard ECMA-178, 3rd edition (December 2001)
-- http://www.ecma-international.org/publications/standards/Ecma-178.htm
--

Call-Transfer-Operations-asn1-97 
  {iso(1)  standard(0) pss1-call-transfer(13869) call-transfer-operations-asn1-97 (1)} 
 
DEFINITIONS EXPLICIT TAGS ::= 
 
BEGIN 
 
 
IMPORTS  
  OPERATION, ERROR FROM   
Remote-Operations-Information-Objects {joint-iso-itu-t(2) remote-operations(4) informationObjects(5) version1(0)} 
  EXTENSION, Extension{} FROM   
Manufacturer-specific-service-extension-class-asn1-97 {iso(1) standard(0) pss1-generic-procedures (11582)  
msi-class-asn1-97(11)} 
  Name FROM  
Name-Operations-asn1-97 {iso(1) standard(0) pss1-name (13868) name-operations-asn1-97 (1)}  
 supplementaryServiceInteractionNotAllowed, 
 notAvailable, 
 invalidCallState FROM 
General-Error-List {ccitt (0) recommendation (0) q 950  general-error-list (1)} 
 PresentedAddressScreened,  
 PresentedNumberScreened, 
 PartyNumber,  
 PartySubaddress FROM 
Addressing-Data-Elements-asn1-97 {iso(1) standard(0) pss1-generic-procedures (11582)  
addressing-data-elements-asn1-97 (20)} 
 PSS1InformationElement  
FROM PSS1-generic-parameters-definition-asn1-97 { iso(1) standard (0) pss1-generic-procedures (11582) 
 pss1-generic-parameters-asn1-97 (17)}; 
 
--  TYPE DEFINITIONS FOR CT OPERATIONS FOLLOW 
 
Call-Transfer-Operations OPERATION ::= {callTransferIdentify  | callTransferAbandon  | callTransferInitiate  | 
callTransferSetup | callTransferActive | callTransferComplete | callTransferUpdate | subaddressTransfer} 
 
callTransferIdentify  OPERATION ::= { 
   ARGUMENT  DummyArg 
   RESULT   CTIdentifyRes 
   ERRORS { 
 notAvailable | 
 invalidCallState | 
 unspecified | 
 supplementaryServiceInteractionNotAllowed} 
   CODE   local: 7} 

callTransferAbandon  OPERATION ::= { 
   ARGUMENT    DummyArg 
   RETURN RESULT  FALSE 
   ALWAYS RESPONDS  FALSE 
   CODE   local: 8} 
 
callTransferInitiate   OPERATION ::= { 
   ARGUMENT  CTInitiateArg 
   RESULT   DummyRes 
   ERRORS {   
 notAvailable | 
 invalidCallState | 
 invalidRerouteingNumber | 
 unrecognizedCallIdentity | 
 establishmentFailure | 
 unspecified | 
 supplementaryServiceInteractionNotAllowed } 
   CODE   local: 9} 
 
callTransferSetup    OPERATION ::= { 
   ARGUMENT   CTSetupArg 
   RESULT   DummyRes 
   ERRORS{ 
 notAvailable | 
 invalidCallState | 
 invalidRerouteingNumber | 
 unrecognizedCallIdentity | 
 unspecified |  
 supplementaryServiceInteractionNotAllowed } 
   CODE   local: 10} 
 
callTransferActive OPERATION::= { 
   ARGUMENT    CTActiveArg 
   RETURN RESULT  FALSE 
   ALWAYS RESPONDS  FALSE 
   CODE    local: 11} 
 
callTransferComplete  OPERATION ::= { 
   ARGUMENT    CTCompleteArg 
   RETURN RESULT  FALSE 
   ALWAYS RESPONDS  FALSE 
   CODE    local: 12} 

callTransferUpdate  OPERATION ::= { 
  ARGUMENT    CTUpdateArg 
  RETURN RESULT  FALSE 
  ALWAYS RESPONDS FALSE 
  CODE    local: 13} 
 
subaddressTransfer  OPERATION ::= { 
  ARGUMENT    SubaddressTransferArg 
  RETURN RESULT  FALSE 
  ALWAYS RESPONDS FALSE 
  CODE    local: 14} 
 
-- TYPE DEFINITIONS FOR CT DATA TYPES FOLLOW 
 
DummyArg ::=  CHOICE { 
 null   NULL, 
  single  [1] IMPLICIT Extension{{CTExtSet}}, 
  multiple  [2] IMPLICIT SEQUENCE OF  Extension{{CTExtSet}} 
 } 
 
DummyRes ::=  CHOICE { 
 null   NULL, 
  single  [1] IMPLICIT Extension{{CTExtSet}}, 
  multiple  [2] IMPLICIT SEQUENCE OF  Extension{{CTExtSet}} 
 } 
 
CTIdentifyRes ::=  SEQUENCE { 
 callIdentity  CallIdentity, 
 rerouteingNumber  PartyNumber, 
  resultExtension  CHOICE {  
  single   [6] IMPLICIT Extension{{CTExtSet}},  
    multiple   [7] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 }   OPTIONAL 
 } 
 
CTInitiateArg ::=  SEQUENCE { 
 callIdentity  CallIdentity, 
 rerouteingNumber  PartyNumber, 
  argumentExtension  CHOICE {  
  single   [6] IMPLICIT Extension{{CTExtSet}},  
    multiple   [7] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 } OPTIONAL 
 } 

CTSetupArg ::=  SEQUENCE { 
 callIdentity  CallIdentity, 
 argumentExtension  CHOICE { 
  single   [0] IMPLICIT Extension{{CTExtSet}},  
    multiple   [1] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 } OPTIONAL 
 } 
 
CTActiveArg ::=  SEQUENCE{ 
 connectedAddress  PresentedAddressScreened, 
  basicCallInfoElements  PSS1InformationElement   OPTIONAL,  
        -- ISO/IEC 11572 information element 
        -- Progress indicator is conveyed 
 connectedName  Name   OPTIONAL, 
  argumentExtension  CHOICE {  
  single   [9] IMPLICIT Extension{{CTExtSet}},  
    multiple   [10] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 } OPTIONAL 
 } 
 
CTCompleteArg ::=  SEQUENCE { 
 endDesignation  EndDesignation, 
 redirectionNumber  PresentedNumberScreened, 
  basicCallInfoElements  PSS1InformationElement    OPTIONAL, 
        -- ISO/IEC 11572 information element 
        -- Progress indicator is conveyed 
 redirectionName  Name   OPTIONAL, 
  callStatus  CallStatus DEFAULT  answered, 
 argumentExtension  CHOICE { 
  single   [9] IMPLICIT Extension{{CTExtSet}},  
    multiple    [10] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 } OPTIONAL 
 } 
 
CTUpdateArg ::=  SEQUENCE { 
 redirectionNumber  PresentedNumberScreened, 
 redirectionName  Name   OPTIONAL, 
  basicCallInfoElements  PSS1InformationElement    OPTIONAL, 
  -- ISO/IEC 11572 information element 
  -- Progress indicator is conveyed 
  argumentExtension  CHOICE {  
  single   [9] IMPLICIT Extension{{CTExtSet}},  
    multiple   [10] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
   }OPTIONAL  } 

SubaddressTransferArg ::=  SEQUENCE { 
 redirectionSubaddress  PartySubaddress, 
  argumentExtension  CHOICE {  
  single   [0] IMPLICIT Extension{{CTExtSet}},  
    multiple   [1] IMPLICIT SEQUENCE OF Extension{{CTExtSet}} 
 } OPTIONAL 
 } 
 
CallStatus ::=  ENUMERATED{ 
 answered(0), 
 alerting(1)  
 } 
 
CallIdentity ::=  NumericString (SIZE (1..4)) 
 
EndDesignation ::=  ENUMERATED { 
 primaryEnd(0), 
 secondaryEnd(1)  
 } 
 
CTExtSet EXTENSION ::= {...} 
 
unspecified  ERROR  ::= {  
    PARAMETER Extension {{CTExtSet}} 
    CODE local: 1008 } 
 
 
invalidRerouteingNumber  ERROR ::= {  CODE local: 1004} 
  -- used when establishment of the new 
  -- connection fails because 
  -- the rerouteingNumber is not a valid 
  -- PISN address 
 
unrecognizedCallIdentity  ERROR ::= {  CODE local: 1005} 
  -- used when establishment of the new 
  -- connection fails because it could not be 
  -- associated with a SS-CT entity 
  -- at the Secondary PINX 
 
establishmentFailure  ERROR ::= {  CODE local: 1006} 
  -- used when establishment of the new 
  -- connection fails and no other error applies 
  -- of Call-Transfer-Operations 
 
END -- of Call-Transfer-Operations-asn1-97