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Bug #4037

closed

LAPDm N200 values are incorrect

Added by laforge almost 5 years ago. Updated almost 5 years ago.

Status:
Resolved
Priority:
High
Assignee:
laforge
Category:
-
Target version:
-
Start date:
06/02/2019
Due date:
% Done:

100%

Spec Reference:

Description

As per GSM TS 04.60 the N200 re-transmission counter value depends on the channel type (TCH/F vs TCH/H vs SDCCH). OsmoBTS (with libosmocore lapdm code as basis) instead uses one fixed value all the time.

Related issues

Related to OsmoBTS - Feature #3906: Automatically adjust LAPDm timer values with 'fn-advance' parameterResolvedlaforge04/06/2019

Actions
Related to OsmoBTS - Bug #2294: T200 values set by OML (TS 12.21) are ignoredResolvedlaforge05/27/2017

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