B.17 IP based handover (HI3) for CS voice content

33.1083G Security3GPPHandover interface for Lawful Interception (LI)Release 17TS

CSvoice-HI3-IP {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) lawfulIntercept(2) threeGPP(4) hi3CSvoice(18) r14 (14) version-0 (0)}

DEFINITIONS IMPLICIT TAGS ::=

BEGIN

IMPORTS

— from ETSI HI2Operations TS 101 671, version 3.12.1

CC-Link-Identifier,

CommunicationIdentifier,

LawfulInterceptionIdentifier,

TimeStamp

FROM HI2Operations

{itu-t(0) identified-organization(4) etsi(0) securityDomain(2) lawfulIntercept(2) hi2(1) version18(18)}

— from 3GPPEps-HI3-PS TS 33.108

National-HI3-ASN1parameters

FROM Eps-HI3-PS {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) lawfulintercept(2) threeGPP(4) hi3eps(9) r14 (14) version-0 (0)}

— from VoIP-HI3-IMS TS 33.108

Payload-description,

TPDU-direction

FROM VoIP-HI3-IMS {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) lawfulIntercept(2) threeGPP(4) hi3voip(12) r14(14) version-0(0)};

— Object Identifier Definitions

— Security DomainId

lawfulInterceptDomainId OBJECT IDENTIFIER ::= {itu-t(0) identified-organization(4) etsi(0)

securityDomain(2) lawfulIntercept(2)}

— Security Subdomains

threeGPPSUBDomainId OBJECT IDENTIFIER ::= {lawfulInterceptDomainId threeGPP(4)}

hi3CSvoiceDomainId OBJECT IDENTIFIER ::= {threeGPPSUBDomainId hi3CSvoice(18) r14(14) version-0 (0)}

CSvoice-CC-PDU ::= SEQUENCE

{

cSvoiceLIC-header [0] CSvoiceLIC-header,

payload [1] OCTET STRING,

…

}

CSvoiceLIC-header ::= SEQUENCE

{

hi3CSvoiceDomainId [0] OBJECT IDENTIFIER, — 3GPP IP-based delivery for CS HI3 Domain

lIID [1] LawfulInterceptionIdentifier OPTIONAL,

communicationIdentifier [2] CommunicationIdentifier,

— contents same as the contents of similar field sent in the linked IRI messages

ccLID [3] CC-Link-Identifier OPTIONAL,

— Included only if the linked IRI messages have the similar field. When included,

— the content is same as the content of similar field sent in the linked IRI messages.

timeStamp [4] TimeStamp OPTIONAL,

sequence-number [5] INTEGER (0..65535),

t-PDU-direction [6] TPDU-direction,

national-HI3-ASN1parameters [7] National-HI3-ASN1parameters OPTIONAL,

— encoded per national requirements

payload-description [8] Payload-description,

— used to provide the codec information of the CC (as RTP payload) delivered over HI3

…

}

END — OF CSvoice-HI3-IP

Annex C (normative):
UMTS and EPS HI3 interfaces