Hmm.. I checked our configs and saw that REGISTER messages go through OpenSIPS (mode 2) and ip address in Contact header remains unchanged... >Hi, Social Boh! > >When using mid-registrar, the INVITE flow will be: > > INVITE INVITE INVITE INVITE >Alice --------> MID-REG --------> MAIN-REG --------> MID-REG --------> Bob > >The _main_ feature about mid-registrar is that it always rewrites the >Contact [1] to >point to the current server (regardless if in mode 0, 1 or 2). This is >why the >MAIN-REG forwards the INVITE to MID-REG, and not directly to Bob. > >[1]: >https://opensips.org/html/docs/modules/3.1.x/mid_registrar.html#sip-flow-insertion > >Best regards, > >-- >Liviu Chircu >www.twitter.com/liviuchircu | www.opensips-solutions.com > >OpenSIPS Summit, Amsterdam, May 2020 > www.opensips.org/events >OpenSIPS Bootcamp, Miami, March 2020 > www.opensips.org/training > ----------------------------------------------- BR, Alexey http://alexeyka.zantsev.com/
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