Francesco Castellano writes:
using version 3.1.3 (kamailio flavour), I noticed that the Via inserted by the proxy, relaying an end2end ACK, contains a branch parameter equal to 0 (with no magic cookie prefixed). No misbehaviour followed, but I was wonder about the reason for this behaviour and whether it can be a fault of my config:
this has been discussed at length earlier this year. search mailing list archives.
-- juha