MAP-GR-DataTypes {
   itu-t identified-organization (4) etsi (0) mobileDomain (0)
   gsm-Network (1) modules (3) map-GR-DataTypes (23) version9 (9)}

DEFINITIONS

IMPLICIT TAGS

::=

BEGIN

EXPORTS
	PrepareGroupCallArg,
	PrepareGroupCallRes,
	SendGroupCallEndSignalArg,
	SendGroupCallEndSignalRes,
	ForwardGroupCallSignallingArg,
	ProcessGroupCallSignallingArg
;

IMPORTS
	ISDN-AddressString,
	IMSI,
	EMLPP-Priority,
	ASCI-CallReference
FROM MAP-CommonDataTypes {
   itu-t identified-organization (4) etsi (0) mobileDomain (0)
   gsm-Network (1) modules (3) map-CommonDataTypes (18) version9 (9)}

	Ext-TeleserviceCode
FROM MAP-TS-Code {
   itu-t identified-organization (4) etsi (0) mobileDomain (0)
   gsm-Network (1) modules (3) map-TS-Code (19) version9 (9)}

	Kc
FROM MAP-MS-DataTypes {
   itu-t identified-organization (4) etsi (0) mobileDomain (0)
   gsm-Network (1) modules (3) map-MS-DataTypes (11) version9 (9)}

	ExtensionContainer
FROM MAP-ExtensionDataTypes {
   itu-t identified-organization (4) etsi (0) mobileDomain (0)
   gsm-Network (1) modules (3) map-ExtensionDataTypes (21) version9 (9)}
;


PrepareGroupCallArg ::= SEQUENCE {
	teleservice	Ext-TeleserviceCode,
	asciCallReference	ASCI-CallReference,
	codec-Info	CODEC-Info,
	cipheringAlgorithm	CipheringAlgorithm,
	groupKeyNumber	[0] GroupKeyNumber	OPTIONAL,
	groupKey		[1] Kc		OPTIONAL,
	priority		[2] EMLPP-Priority	OPTIONAL,
	uplinkFree	[3] NULL		OPTIONAL,
	extensionContainer	[4] ExtensionContainer	OPTIONAL,
	...}

PrepareGroupCallRes ::= SEQUENCE {
	groupCallNumber	ISDN-AddressString,
	extensionContainer	ExtensionContainer	OPTIONAL,
	...}

SendGroupCallEndSignalArg ::= SEQUENCE {
	imsi			IMSI			OPTIONAL,
	extensionContainer	ExtensionContainer	OPTIONAL,
	...}

SendGroupCallEndSignalRes ::= SEQUENCE {
	extensionContainer	ExtensionContainer	OPTIONAL,
	...}

ForwardGroupCallSignallingArg ::= SEQUENCE {
	imsi			IMSI			OPTIONAL,
	uplinkRequestAck	[0] NULL		OPTIONAL,
	uplinkReleaseIndication	[1] NULL		OPTIONAL,
	uplinkRejectCommand	[2] NULL		OPTIONAL,
	uplinkSeizedCommand	[3] NULL		OPTIONAL,
	uplinkReleaseCommand	[4] NULL		OPTIONAL,
	extensionContainer	ExtensionContainer	OPTIONAL,
	..., 
	stateAttributes	[5] StateAttributes	OPTIONAL }

ProcessGroupCallSignallingArg ::= SEQUENCE {
	uplinkRequest	[0] NULL		OPTIONAL,
	uplinkReleaseIndication	[1] NULL		OPTIONAL,
	releaseGroupCall	[2] NULL		OPTIONAL,
	extensionContainer	ExtensionContainer	OPTIONAL,
	...}

GroupKeyNumber ::= INTEGER (0..15)

CODEC-Info ::= OCTET STRING (SIZE (5..10))
	-- Refers to channel type
	-- coded according to 3GPP TS 48.008 [49] and including Element identifier and Length	

CipheringAlgorithm ::= OCTET STRING (SIZE (1))
	-- Refers to 'permitted algorithms' in 'encryption information'
	-- coded according to 3GPP TS 48.008 [49]:
	
	-- Bits 8-1 
	-- 8765 4321
	-- 0000 0001	No encryption
	-- 0000 0010	GSM A5/1
	-- 0000 0100	GSM A5/2
	-- 0000 1000	GSM A5/3
	-- 0001 0000	GSM A5/4
	-- 0010 0000	GSM A5/5
	-- 0100 0000	GSM A5/6
	-- 1000 0000	GSM A5/7

StateAttributes ::= SEQUENCE {
	downlinkAttached			[5] NULL		OPTIONAL,
	uplinkAttached			[6] NULL		OPTIONAL,
	dualCommunication			[7] NULL		OPTIONAL,
	callOriginator			[8] NULL		OPTIONAL }

	-- Refers to 3GPP TS 44.068 for definitions of StateAttributes fields. 


END