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Bug #4440

osmo_bts_virtual doesn't detect if mobile/virtphy is gone

Added by laforge 29 days ago.

Status:
New
Priority:
Normal
Assignee:
Category:
osmo-bts-virtual
Target version:
-
Start date:
03/07/2020
Due date:
% Done:

0%

Spec Reference:

Description

With a real physical layer, the BTS detects when the MS is gone. After some time without valid uplink blocks on the SACCH, T200 expires N200+1 times and a related RLL error indication is sent on Abis to the BSC.

When using osmo-bts-virtual, we don't appear to have any such mechanism, leaving channels on the MSC/BSC/BTS open indefinitely even if the related MS is gone.

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