On Wed, May 23, 2018 at 10:51:37PM +0200, Daniel-Constantin Mierla wrote: > I got a bit of time to look at this issue, can you try with the patch > from the next commit? > > ?? - > https://github.com/kamailio/kamailio/commit/2a3ca5942291d29de05b14338a36cecbec11f129 > This off by 1 fix solved the PRACK issue with redis backend.