Hi Simon,
if a client changes its IP, it is up to it do detect it and to
re-register with the server with the new IP - the server cannot do
anything about this.
Also, the fact you have 2 contact registered with the server (old IP and
new IP) seams to be a bug in the client - when it detects the IP change,
it should first unregister the old contact and then register the new one.
What you can do on the server side:
1) limit the number of registered contacts per user - see
max_contacts param in registrar module -
http://www.opensips.org/html/docs/modules/devel/registrar.html#id228429
Anyhow this is not a good practice in your case as if you limit your
user to only one registered contact, it will not be able to upload the
second (updated) contact.
2) allow multiple registered contacts, but use only the last
registered one - set the append_branches param from register module to 0
(to use only one contact) and set desc_time_order from usrloc module to
1 (to do ordering of registered contact based on time).
Regards,
Bogdan
Simon Witte wrote:
> Dear sirs and madams,
>
>
> I'm a student from germany and currently I'm trying to install a SIP-server.
> This is my first time working with SIP (in general) and opensips. Hopefully I
> won't embarass myself too much.
>
> So here's my problme: Is there a way to implement a routine to update the
> MySQL-DB faster if the IP-address of a client changes? To be more specific:
>
> In the first step of my project I'm using only 192.168.1.x as my domain. The
> Proxy/ Registar can be found at 192.168.1.60 and I'm using two PCs as UACs. I
> can register a client with the server, if he's at e.g. 192.168.1.200. If I
> change its IP-address (to e.g .180), the changes take quite some time to
> manifest. If I re-register manually (ekiga sopftphone), there are two entries
> in the location-table, which I certainly don't want. On the one hand, how do
> I prohibid a UAC from registering with two different IP-addresses using the
> same username/ password. And on the other hand how can I speed up the process
> to update the database when a IP-address change takes place?!
>
> I'd really appreciate your help and thank you in advance.
>
> Best regards,
> Simon Witte
>
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