AMR misconfiguration or bug

Keith keith at
Sat Nov 3 11:40:02 UTC 2018

On 03/11/2018 03:59, Omar Ramadan wrote:
> Hey Osmocom,
Hi Omar!

> I am working to test hrAMR codec with osmo-bts-oc2g but it doesn't
> seem the correct TCH/F frame type is being activated:
> <0000> ../../../osmo-bts/src/common/rsl.c:2805
> (bts=0,trx=0,ts=1,pchan=TCH/F_TCH/H_PDCH as PDCH) ss=0 Rx RSL CHAN_ACTIV
> <0000> ../../../osmo-bts/src/common/amr.c:105 AMR Multirate with 6
> modes len=2 not possible

I'm not sure, this is just off the top of my head, but I'd hazard a
guess that not having all AMR modes "allowed" in open-bsc.cfg might do
the trick for you.


amr-config 12_2k forbidden

amr-config 10_2k forbidden

amr-config 4_75k forbidden

or some such..

Does it work?



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