7.7.64 Selected PLMN ID
29.0603GPPGeneral Packet Radio Service (GPRS)GPRS Tunnelling Protocol (GTP) across the Gn and Gp interfaceRelease 17TS
The Selected PLMN ID IE contains the core network operator selected for the MS in a shared network. Octets 4-6 shall contain a non-transparent copy of the corresponding IE (see clause .7.7.A), "Selected PLMN Identity" as specified in 3GPP TS 25.413 [7].
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 164 (Decimal) |
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2-3 |
Length = 3 (Decimal) |
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4-6 |
Selected PLMN Identity |
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Figure 7.7.64.1: Selected PLMN ID Information Element
The encoding of the Selected PLMN ID field is shown in Figures 7.7.64.2 and 7.7.64.3.
If three digits are included in the MNC, octets 4 to 6 shall be encoded as shown in Figure 7.7.64.2.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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4 |
MCC digit 2 |
MCC digit 1 |
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5 |
MNC digit 1 |
MCC digit 3 |
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6 |
MNC digit 3 |
MNC digit 2 |
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Figure 7.7.64.2: Selected PLMN ID Parameter with 3-digit MNC
If only two digits are included in the MNC, octets 4 to 6 shall be encoded as shown in Figure 7.7.64.3 with bits 5 to 8 of octet 5 (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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4 |
MCC digit 2 |
MCC digit 1 |
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5 |
1111 |
MCC digit 3 |
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6 |
MNC digit 2 |
MNC digit 1 |
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Figure 7.7.64.3: Selected PLMN ID Parameter with 2-digit MNC
NOTE: The encoding is different from elsewhere in this document and is specified according to 3GPP TS 25.413 [7].