This requires a recent libfftranscode (>=0.5) with SBC-AP support.
The asn files are obtained from 3GPP TS 29.168.
Related: osmo-cbc.git Ib278bc1d1a74459814016fef7a8fe21cc29d46c9
Related: docker-playground.git 5f3c78105836d1f2c229655df3f537a73ab6e12a
Change-Id: Ia6743e0a3e7974a5f2dd3ecf74ec331f646f6bc2
Related: OS#4945