8.50 PLMN ID
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
Octets 5-7 shall contain a non-transparent copy of the " PLMN Identity" parameter in 3GPP TS 36.413 [10].
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 120 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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5 to (n+4) |
PLMN ID |
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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.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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5 |
MCC digit 2 |
MCC digit 1 |
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6 |
MNC digit 1 |
MCC digit 3 |
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7 |
MNC digit 3 |
MNC digit 2 |
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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".
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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5 |
MCC digit 2 |
MCC digit 1 |
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6 |
1111 |
MCC digit 3 |
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7 |
MNC digit 2 |
MNC digit 1 |
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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].