[OpenSIPS-Users] Subscribe/Notify

[Kevin Kennedy]

I am testing opensips 3.2 as a loadbalancer for a group of SBCs.  I am
using Mid-Registrar and Dispatcher to load balance to the SBCs.  I am able
to get Registrations and Calls working, but the issue I am having is with
the Subscribe messages not receiving the NOTIFY response.  Since it is set
as a stateful proxy the out of dialog messages are coming directly to the
users public IP.  So Notify is being dropped at the firewall as its not
coming from the same IP address that the phone is registered to.

Is there a mechanism to remedy this other than full B2BUA?
If B2BUA is the only path, what is the best way to set this up?

Thank you.
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