Changes

#7157 (Oct 8, 2025, 2:16:09 PM)

1. trau/clearmode.h: add OSMO_CLEARMODE_20MS definition — falcon / detail
2. trau: factor out V.110 frame conversion functions — falcon / detail
3. trau_rtp_conv: use factored-out V.110 functions — falcon / detail
4. trau: add TW-TS-007 packing and unpacking functions — falcon / detail
5. trau: add TW-TS-007 compression and decompression functions — falcon / detail
6. rtp2trau CSD: accept both CLEARMODE and TW-TS-007 payloads — falcon / detail
7. trau2rtp CSD: add option to emit TW-TS-007 payloads — falcon / detail