https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5218
Summary: IMSI_M_11_12 not decoded correctly in IS-683
Product: Wireshark
Version: 1.4.0
Platform: Other
OS/Version: All
Status: NEW
Severity: Normal
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: dave.cabot@xxxxxxxxxxxxxxxxxx
Build Information:
Built from the RPM spec file from Fedora. Built and ran on CentOS 5.2.
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In decoding a CDMA NAM Download the IMSI_M_11_12 portion is incorrect.
ANSI Mobile Application Part
sMSDeliveryPointToPoint
mobileIdentificationNumber - 2394253000
BCD digits: 2394253000
electronicSerialNumber: 12345678
serviceIndicator: CDMA OTASP Service (1)
sms-BearerData: 0102020d83451e8c93d48e9e020007fffc0106a9493a6a69...
sms-TeleserviceIdentifier: 0000
ANSI IS-683 (OTA (Mobile)) Forward Link
Forward Link Message Type: Download Request (1)
Number of parameter blocks (2)
[1]: CDMA NAM Download (2)
Length: 13
1... .... .... .... : IMSI_M Class assignment of the mobile station
(IM
SI_M_CLASS), Class 1
.000 .... .... .... : Number of IMSI_M address digits
(IMSI_M_ADDR_NUM)
(0), 4 digits in NMSI
.... 0011 0100 01.. : Mobile country code (MCC_M)
..00 0101 0... .... : 11th and 12th digits of the IMSI_M
(IMSI__M_11_12
)
The least significant 10 digits of the IMSI_M (IMSI_M_S) (34 bits)
.... ...0 100. .... : Access overload class (ACCOLC) (4)
IMSI_M_11_12 should be 0100011 in this case.
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