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Bug #2883

GSUP encoding of MSISDN is wrong

Added by laforge 6 months ago.

Status:
New
Priority:
Urgent
Assignee:
sysmocom
Category:
-
Target version:
-
Start date:
01/26/2018
Due date:
% Done:

0%

Estimated time:
Resolution:

Description

The GSUP documentation is quite clear on this: The element is encoded as in 09.02 and 04.08. This includes the TON (type of number) and NPI (numbering plan information). For some unknown reason, the current OsmoMSC implementation diverges from both our own specification as well as 3GPP. Instead, the coding currently implemented seems to be:
  • GSUP IE Tag + Length
  • another Length byte
  • Hex digits

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