6 Dec
2006
6 Dec
'06
7:26 p.m.
Hi Christophe,
the contact header has nothing to do with the authentication process.
Contact describe the IP location of the device, while credentials
describe the auth access.
so, the contact should not be changed at all - of course this does not
rule out the possibility for some servers to implement some very strange
auth checks ;).
regarding the point 2) - there is no standard policy if a user is
allowed to place calls when not registered. Logically I would say is
should be no dependency between (as time you are able to authenticate
both INVITEs and REGISTERs) - the registration process is related to
incoming calls and it should not restrict the ability to place outbound
calls.....but again, it is a matter of policy....
better ask the provider about this.
regards,
bogdan
Christophe Irles wrote:
Hi,
I'm using UAC module in order to centralized authentication when
I need to use an external proxy server to call PSTN numbers. To
use it, I use a unique tuple login/pwd/domain
The environment is:
My openser handles the domain: "myopenserdomain.com"
For each INVITE or REGISTER of SIP client of this domain, I
force the authentication
The external proxy handles the domain "externaldomain.com"
Now I have two questions:
1) before to send an INVITE to the external proxy, must I change
the contact header with the correct information of the tuple
login/pwd/domain ? Or I must wait the 401 or 407 message before
? In fact I tests several external proxy. Some are waiting a
contact header with the information of the tuple and some don't.
What is the correct way to do this ?
2) Some of this external proxy accept only my INVITE (with or
without contact header modified) if I registered first on it ! I
receive 403 message in this situation. But I don't know how to
REGISTER first since I don't find any openser module to that …
How can I handle this situation ?
Thanks,
Regards,
Christophe
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