Iam not able to solve the issue with bridge_pre_execute_bleg_app.
The problem I am having is that the call is answered, is in 200 OK, and is exchanging media, but there is silence before ringtone starts.
This is my trace:

https://docs.google.com/document/d/1cvUybw7MTrRA032V0A2G0UiKBca_fsrPBSOR7rsagt4/edit?usp=sharing

DialPlan:
action application="export" data="nolocal:absolute_codec_string=G729"/>
<action application="set" data="ringback=${us-ring}"/>
<action application="ring_ready"/>
<action application="bridge" data="{ignore_early_media=true}sofia/external/550075378355222@64.34.75.23"/>