[Users] Connection 2 Openser with DNS record

[Tsitsi]

I have 2 OpenSER servers that I want to "connect" with each other: 
  
 Phone "a" <---> Server "A"(domain.com) <------------> Server "B"(domain.org) <---> Phone "b" 
  
I use X-Lite in phone 'a' and phone 'b', I can send IM but fail to Dial 

It say 

Proxy authentication required. 

What can  I do ?

Regards,
Tsitsi


             
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