jolly has uploaded this change for review.
Corrected description of MSISDN IE and IMEI IE coding
1 2 3 4 5 6 7 8
+-------------------------------+
| MSISDN IE type |Res| octet 1
+-------------------------------+
| Length of IE content | octet 2
+-------------------------------+
| Length of BCD content | octet 3
+-------------------------------+
| Digit 1 | Digit 2 | octet 4..n
| .... | |
+-------------------------------+
The length of the BCD content specifies how many subsequent octets
contain BCD data, but it does not indicate the number of digits.
This length must be less than the total length of the IE content.
Any octets following the BCD content shall be ignored.
Related: OS#6797
Change-Id: I4db05e4a01199334b75fffd60270b88f541b98f4
---
M common/chapters/gsup.adoc
1 file changed, 6 insertions(+), 3 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/24/40424/1
diff --git a/common/chapters/gsup.adoc b/common/chapters/gsup.adoc
index f5cce14..96930b9 100644
--- a/common/chapters/gsup.adoc
+++ b/common/chapters/gsup.adoc
@@ -1510,6 +1510,10 @@
BCD Number in 3GPP TS 24.008. It will be stored by the SGSN or VLR and then passed as is
to the GGSN during the activation of the primary PDP Context.
+The length of the BCD content specifies how many subsequent octets contain BCD data,
+but it does not indicate the number of digits. This length must be less than the total
+length of the IE content. Any octets following the BCD content shall be ignored.
+
[packetdiag]
----
{
@@ -1519,9 +1523,7 @@
0-6: PDP type IEI
7: Res
8-15: Length of IE content
- 16-19: NPI
- 20-22: TON
- 23: ext
+ 16-23: Length of BCD content
24-27: Digit 1
28-31: Digit 2
32-35: Digit ...
@@ -1628,6 +1630,7 @@
==== IMEI
The IMEI encoded as Called Party BCD Number in 3GPP TS 24.008.
+This IE has the same format as described in <<gsup-ie-msisdn>>.
[[gsup-ie-imei-result]]
==== IMEI Check Result
To view, visit change 40424. To unsubscribe, or for help writing mail filters, visit settings.