Peter Krnjevic wrote:
> Hi List,
> We are trying to connect many SIP UAs through a SIP proxy to a Tekelec 
> switch. The tricky part is that the Tekelec provides a VPRI service that 
> expects either a UA or SBC and the SIP dialog with a proxy is somewhat 
> different. The first and likely not the only differnce is that UAs don't 
> present multiple Via records which confuse the Tekelec.
> If possible, I'd like to use Yxa - I already spent some time with 
> OpenSER and am appalled at how poorly it's designed and implemented. And 
> modifying it is definitely not for the faint of heart.
> If anyone has any suggestions of how we can use Yxa for this type of 
> application or point me to any relevant resources, I'd be most appreciative.
> Best regards,
> Peter Krnjevic

I have a SIP UA and SIP B2BUA based on Yxa under development. It's 
currently in a very experimental state, and should only be used in a 
restricted test environment since access to the B2BUA is unprotected for 

It's called esipua, and available from .

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