1 Framework for the description of telecommunication services
22.0013GPPPrinciples of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)Release 17TS
1.1 The attribute method of characterization of circuit telecommunication services
This characterization is made by using a set of attributes. A telecommunication service attribute is a specific characteristic of that service whole values distinguish it from other telecommunication services. Particular values are assigned to each attribute when a given telecommunication service is described and defined.
A list of definitions of attributes and values used for bearer services and teleservices is contained in, respectively, annex A and annex B.