8.6 Access Point Name (APN)
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
Access Point Name (APN) is transferred via GTP tunnels. The sending entity copies the value part of the APN into the Value field of the APN IE.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 71 (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) |
Access Point Name (APN) |
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Figure 8.6-1: Access Point Name (APN)
The encoding the APN field follows 3GPP TS 23.003 [2] clause 9.1. The content of the APN field shall be the full APN with both the APN Network Identifier and APN Operator Identifier being present as specified in 3GPP TS 23.003 [2] clauses 9.1.1 and 9.1.2, 3GPP TS 23.060 [35] Annex A and 3GPP TS 23.401 [3] clauses 4.3.8.1.
NOTE: The APN field is not encoded as a dotted string as commonly used in documentation.