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Bug #5529

open

Inter BSC HO fails due to lack of MSC Preferred Codecs IE

Added by keith about 1 month ago. Updated about 1 month ago.

Status:
New
Priority:
Normal
Assignee:
Category:
-
Target version:
-
Start date:
04/14/2022
Due date:
% Done:

0%

Resolution:
Spec Reference:

Description

Since https://gerrit.osmocom.org/c/osmo-bsc/+/27405 osmo-bsc requires the MSC Preferred Codec List IE in an incoming handover request as it should according to 3GPP TS 48.008 3.2.1.8

However, osmo-msc does not send it. TTCN3 tests are passing because the test suite generates the IE but does not require it.

It is suggested on the mailing list that the possible (probable?) easier? better? solution to generating this IE in osmo-msc is to work on the neels/codecs branch.
Unfortunately, further to neels' refactoring work on the commits, plus an osmodevcall, it is still maybe representing quite some work load to get that through code review.

A possible workaround (for a locally working system) would be to revert
https://cgit.osmocom.org/osmo-bsc/commit/?id=826ec9ff758c8a40fca2eaf6cca7989ff6471c83

Actions #1

Updated by pespin about 1 month ago

  • Assignee changed from Osmocom CNI Developers to neels
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