The Mobile
Broadband Standard

GPRS

EDGE

EDGE+

W-CDMA

UMTS

HSPA

HSPA+

LTE

LTE-Advanced

LTE-Advanced Pro

5G

ASN.1

ASN.1

ASN.1 Object Identifiers

Abstract syntax notation (ASN.1) object identifiers maintained by ETSI.

ETSI is a recognized organization under the ITU-T (formerly CCITT) arc. The formal rules governing assignment of object identifier values are given in ETSI EG 200 351.

Since the original 3GPP technical specifications were based on GSM specifications, which use object identifiers under the ETSI node, it was decided that the 3GPP specifications would use the same arc. This ensures compatibility between GSM and UMTS / LTE networks.
Both ETSI and 3GPP are recognized organizations under the ISO arc. These arcs (ISO...ETSI... and ISO...3GPP...) are used for Internet-related protocols.

The expandable list of object identifiers is available here. Note that this page currently only renders correctly using Internet Explorer. For the formal definition of the object identifiers, see the document cited on the right of that page. The tree is not necessarily complete; further extensions may be included in the referenced document.

This table is presented for information only. The formal definitions of the object identifiers are contained in the referenced documents.

For further information on the allocation of object identifiers within the ETSI domain, see http://portal.etsi.org/pnns/asn1oids.asp .

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