3GPP 24.501 v20.0.0 — the document's own text
9.11.2.1B DNN
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The purpose of the DNN information element is to identify the data network.
The DNN information element is coded as shown in figure 9.11.2.1B.1.
The DNN is a type 4 information element with a minimum length of 3 octets and a maximum length of 102 octets.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| DNN IEI | octet 1 | |||||||
| Length of DNN contents | octet 2 | |||||||
| DNN value | octet 3octet n |
Figure 9.11.2.1B.1: DNN information element
A DNN value field contains an APN as defined in 3GPP TS 23.003 [4].