The Main SIP Server did not consume the route header properly. I fixed that issue and the calls do work in both directions like a charm now. Even without the parameter in the advanced configuration. Thank you for pointing this out to me. That helped alot. The Brekeke SIP server is really a nice ...

Hello,

marvelous. This did solve my problem.

I will see, what I can do in order to remove that route.

Thank you very much for your answer.

Kind regards,

Martin

1. Brekeke Product Name and version: SIP SERVER 3 2. Java version: 1.7.0_09 3. OS type and the version: 3.2.0-31-virtual #50-Ubuntu 4. UA (phone), gateway or other hardware/software involved: Bria Softphone 5. Select your network pattern from http://www.brekeke-sip.com/bbs/network/networkpatterns ...