School of Specs 24.501v20.0.0

3GPP 24.501 v20.0.0 — the document's own text

9.11.3.109 Extended 5GMM cause

Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).

The purpose of the Extended 5GMM cause information element is to indicate additional information associated with a 5GMM cause.

The Extended 5GMM cause information element is coded as shown in figure 9.11.3.109.1 and table 9.11.3.109.1.

The Extended 5GMM cause is a type 4 information element with a length of 3 octets.

87654321
Extended 5GMM cause IEIoctet 1
Length of Extended 5GMM cause contentsoctet 2
0Spare0Spare0Spare0Spare0Spare0Spare0SpareSat-NRoctet 3

Figure 9.11.3.109.1: Extended 5GMM cause information element

Table 9.11.3.109.1: Extended 5GMM cause information element

Sat-NR value (octet 3, bit 1)
Bit
1
0Satellite NG-RAN allowed in PLMN
1Satellite NG-RAN not allowed in PLMN
Bit 2 to 8 of octet 3 are spare and shall be coded as zero.