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Hi, I have a setup
where in Repro is acting as a Registrar and Proxy. And I have a proprietary developed
B2BUA over DUM. Now I have
configured static routes in Repro saying that any request apart from REGISTER
comes just forward it to B2BUA. So it is fine till now. Below is a small
scenario the way things are working. UA1 ----INVITE--à REPRO----INVITE--àB2BUA-----INVITE----àUA2 UA1 <----180---- REPRO<----180-----B2BUA-<----180--------UA2 UA1 <----200---- REPRO<----200-----B2BUA-<----200--------UA2 UA1-------------------ACK------------àB2BUA-------ACK--------àUA2 The above scenario is working fine as expected. But I am
facing issues in case of some failure scenarios, especially when UA2 or B2BUA
responds with some 4XX responses. What is happening is suppose when UA2 or
B2BUA responds with 480 Unsuccessful call or 486 Busy, Repro tries to place a
call on its own (without letting B2BUA in the path). It seems like Repro does
not believe in my B2BUA saying that user is busy. Below is the scenario what is
happening. UA1 ----INVITE--à REPRO----INVITE--àB2BUA-----INVITE----àUA2
REPRO<----480/486-----B2BUA-<---------480/486--------UA2
REPRO---------------------INVITE----------------àUA2 (Observe
that Repro is trying to place a call again without trusting the B2BUA. Also it
is not letting B2BUA be in the path even if static routes are configured). Please help me in figuring out what is happening? I fell
that it is a bug in Repro!!!!! Thanks and Regards, -Sandeep A |