I believe simultaneous calling is known as a ring group, while sequential calling is a hunt group. This should do the trick. All the other required settings related to branch management in TM are on by default. https://kamailio.org/docs/modules/5.4.x/modules/alias_db.html#alias_db.p.ap… — Alex — Sent from my iPad > On Mar 2, 2021, at 12:53 PM, Adam McCarthy <adam(a)adammccarthy.co.uk> wrote: > > Hello, > > I'm currently using alias_db_lookup to map inbound calls from my SIP > carrier to internal endpoints e.g., > 1NXXXXXXXXX(a)sip.example.com -> alice(a)sip.example.com. > > This works well, but I would now like to simultaneously call alice@ and > bob@, e.g. > > alias_db_lookup(...) # somehow return alice@ and bob@ > append_branch("sip:bob@sip.example.com") > > as described here: http://kamailio.org/docs/modules/devel/modules/tm.html#tm.serial_forking > > This is effectively a hunt group, where two users are called and once > one user picks up the call, the second is sent a CANCEL. > > How would I acheive this with Kamailio? > > Thanks, > Adam > > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users(a)lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users

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