8.98 Change to Report Flags
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
Change to Report Flags IE is coded as depicted in Figure 8.98-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 167 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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5 |
Spare |
TZCR |
SNCR |
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6 to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.98-1: Change to Report Flags
For each message the applicable flags of the Change to Report Flags IE shall be clearly specified in the individual message clause. The remaining flags of the Change to Report Flags IE not so indicated shall be discarded by the receiver.
The receiver shall consider the value of the applicable flags as "0", if the Change to Report Flags IE is applicable for the message but not included in the message by the sender.
The following bits within Octet 5 shall indicate:
– Bit 8 to 3 – Spare, for future use and set to zero.
– Bit 2 – TZCR (Time Zone Change to Report): When set to 1, this bit indicates that a UE Time Zone change still needs to be reported to the SGW/PGW.
– Bit 1 – SNCR (Serving Network Change to Report): When set to 1, this bit indicates that a Serving Network change still need to be reported to the SGW/PGW.