tree 8bea286dbc3f9288362aec6f9855e78327c5c6a0
parent 64f3930c7234094233d48b517b2c6be5734b0cad
author Oliver Smith <osmith@sysmocom.de> 1683886462 +0200
committer Oliver Smith <osmith@sysmocom.de> 1687258025 +0200

Add initial CSD support with external MNCC

Implement and use CSD bearer service logic (with similar audio codec code):
* csd_filter (codec_filter)
* csd_bs (sdp_audio_codec)
* csd_bs_list (sdp_audio_codecs)

Related: OS#4394
Change-Id: Ide8b8321e0401dcbe35da2ec9cee0abca821d99a