Andreas thanks.
I
> Also notice another project osmo-bts project which implement BTS-side
> Layer3 and Layer2 protocol. So can Ihi john,
> just implement BTS side L1 then combine with osmo-bts which connect to
> osmo-nitb?
i like to note: the "jolly/bts" branch of osmocombb is an obsolete. if
you check out osmo-bts.git, you will get the current stage. see "jolly"
branch for work on osmocombb-bts (>layer1), as well as "master" branch
for current work on sysmo-bts. you can take this for a basis to
implement your own bts support.
regards,
andreas