Hi, just as curiosity I comment that there is an error (an Asterisk error in fact) in the material of the Rome VON course of 2007: In file "config/08-asterisk.conf" it appears: CREATE VIEW sipusers AS SELECT username as name, [...] domain as defaultip, domain as ipaddr, [...] FROM openser.subscriber; There is a bug in case of SIP SRV domains because Asterisk doesn't perform a SRV DNS query for the location of registerd users (just for outbound calls if "srvlookup=yes") so if OpenSer has a SRV SIP domain "my_srv_domain.com" but DNS type A of that domain points to a different IP then Asterisk will fail (it will resolve to the A DNS entry). A simple solution is to modify the view as follows: CREATE VIEW sipusers AS SELECT username as name, [...] __OpenSer_IP__ as defaultip, __OpenSer_IP__ as ipaddr, [...] FROM openser.subscriber; Of course this is a bug in Asterisk since it should, according to RFC3261, perform a SRV query for the location of registered users in case they are not an IP. Just it ;) Regards. -- Iñaki Baz Castillo ibc(a)in.ilimit.es