8.50 PLMN ID

29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 16Stage 3TS

Octets 5-7 shall contain a non-transparent copy of the " PLMN Identity" parameter in 3GPP TS 36.413 [10].

Bits

Octets

8

7

6

5

4

3

2

1

1

Type = 120 (decimal)

2 to 3

Length = n

4

Spare

Instance

5 to (n+4)

PLMN ID

Figure 8.50-1: PLMN ID

The encoding of the PLMN ID field is shown in Figures 8.50-2 and 8.50-3.

If three digits are included in the MNC, octets 5 to 7 shall be encoded as shown in Figure 8.50-2.

Bits

Octets

8

7

6

5

4

3

2

1

5

MCC digit 2

MCC digit 1

6

MNC digit 1

MCC digit 3

7

MNC digit 3

MNC digit 2

Figure 8.50-2: PLMN ID Parameter with 3-digit MNC

If only two digits are included in the MNC, octets 5 to 7 shall be encoded as shown in Figure 8.50-3 with bits 5 to 8 of octet 6 (MNC digit 3) coded as "1111".

Bits

Octets

8

7

6

5

4

3

2

1

5

MCC digit 2

MCC digit 1

6

1111

MCC digit 3

7

MNC digit 2

MNC digit 1

Figure 8.50-3: PLMN ID Parameter with 2-digit MNC

NOTE: The encoding is different from elsewhere in this document and is specified according to 3GPP TS 36.413 [10].