Hi Vadim,
On Sat, Aug 01, 2020 at 11:28:30PM +0700, Vadim Yanitskiy wrote:
While working on this, I stumbled upon the burst filling feature in osmo-trx [4], that is disabled by default. If enabled, osmo-trx would be sending dummy bursts itself, so there is no need to send them from osmo-bts-trx, and thus no need to complicate the burst distribution logic.
I am now wondering why don't we enable this feature by default?
No idea, sorry.
From the VTY reference:
Send a dummy burst when there is nothing to send on C0 (TRX0) and empty burst on other channels. Use for OpenBTS compatibility only, don’t use with OsmoBTS as it breaks encryption.
it's unclear how sending dummy bursts would break encryption...
I also cannot follow that argument.
Alexander Chemeris added this VTY text in 2019 in I752eb2c1162d084e8769181f2fcd6c0877663448, he should know?