Hi all,
We're having a problem with SIPp. We need requests and responses to go
to different destinations but can't figure out how to achieve this in
our scenario.
A few words about the platform under test: host1 is a SIP load balancer
('Service Director') that receives requests and farms them off to SIP
processing nodes. host2 is a SIP processing node ('Service Host') that
generates responses but can also send out SIP requests. host1 listens
for SIP on the default port (5060), host2 listens on port 5070.
We have the following SIPp scenario. Note that it's a UAC (because it
sends the INVITE) and also a UAS (because it receives a NOTIFY).
INVITE --> host1:5060
200 <-- host2:5070
ACK --> host1:5060
SUBSCRIBE --> host1:5060
200 <-- host2:5070
NOTIFY <-- host2:5070
200 --> host1:5060 (WRONG!)
BYE --> host1:5060
200 <-- host2:5070
The problem we have is that the 200 to the NOTIFY is being sent to
host1:5060 instead of host2:5070. In other words, SIPp is sending all
requests and responses to host1:5060 and is not respecting the Via
headers.
We've tried using TCP as the transport protocol in the hope that the 200
OK would be sent using the connection over which the NOTIFY was sent.
We've also tried using -rsa with no luck.
Is this a limitation of SIPp or will some of the command line arguments
let us achieve what we need to do? Any guidance will be appreciated.
Thanks
Andrew.
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