• when I forward a call from an internal number to an external number via loopback, I firstly get 4 channels. After answering the call, I have 2 channels remaining and audio is fine
• when I forward a call from an _external_ number to an external number via loopback, I firstly get 4 channels. After answering the call, I still have 4 channels remaining and audio is _not_ there. Freeswitch is dialling via "external" profile via port 5080. I also tried to set "loopback_bowout=true", but this did not change anything.
  The dialstring is: <action data="{sip_from_uri=0610xxxxxxx@sip.domain.de}sofia/gateway/SIP-68xxxxx/017xxxxx@sip.domain.de" application="bridge" />
  

The dialplan for both scenarios is the same.

-- 
With kind regards
Peter Steinbach 

Telefaks Services GmbH
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Internet: www.telefaks.de