Thanks!

I have one more question. Why can't the dlg_val be set in this case. 
This variable (dlg_val) is not passed to the second INVITE, although it is a 
SIP Dialog (INVITE -> 401 -> ACK -> INVITE ...) 


> 9 сент. 2022 г., в 9:14, Bogdan-Andrei Iancu <bog...@opensips.org> написал(а):
> 
> Hi,
> 
> Considering the fact that Ast_2 cannot perform auth on a challenge done by 
> Ast_1, you should re-consider the routing logic in OpenSIPS, and not to use 
> LB, but rather dispatcher with hashing over call-id for example.
> 
> Regards,
> 
> Bogdan-Andrei Iancu
> 
> OpenSIPS Founder and Developer
>  https://www.opensips-solutions.com
> OpenSIPS Summit 27-30 Sept 2022, Athens
>  https://www.opensips.org/events/Summit-2022Athens/
> 
> On 9/8/22 1:43 PM, Vadim Dumalekov via Users wrote:
>> Thank you for the answer!
>> 
>> Yes, of cource. But there is this situation:
>> 
>> UAC (INVITE w/o auth)  ->  OpenSIPS (LB: Ast_1)  ->  Ast_1 (401 Unauth)
>> UAC (INVITE with auth)  ->  OpenSIPS (LB: Ast_2)  ->  Ast_2 (401 Unauth)
>> 
>> ... etc, until LB selects the same Asterisk for two INVITE`s (w/o auth and 
>> with auth).
>> 
>> 
>> Vadim
>> 
>>> 8 сент. 2022 г., в 12:16, Bogdan-Andrei Iancu <bog...@opensips.org> 
>>> написал(а):
>>> 
>>> Hi Vadim,
>>> 
>>> If you have a cluster of ASterisk servers, each box from the cluster should 
>>> be able to handle the auth response, even if the challenge was done by a 
>>> different one. Otherwise it is not a cluster, but a bunch of servers.
>>> 
>>> Regards,
>>> 
>>> Bogdan-Andrei Iancu
>>> 
>>> OpenSIPS Founder and Developer
>>>  https://www.opensips-solutions.com
>>> OpenSIPS Summit 27-30 Sept 2022, Athens
>>>  https://www.opensips.org/events/Summit-2022Athens/
>>> 
>>> On 9/7/22 3:52 PM, Vadim Dumalekov via Users wrote:
>>>> Hello!
>>>> 
>>>> Please help me. I'm using the Load_Balancer module for the incoming calls 
>>>> to an Asterisk cluster. When an INVITE is sent to one of the Asterisks, we 
>>>> receive the "401 Unauthorized" message from that server. But when UAC 
>>>> sends the INVITE with the authorization, the LB-module sends it to another 
>>>> Asterisk. Sometimes it happens multiple times.
>>>> 
>>>> 
>>>> Thanks in advance!
>>>> 
>>>> Vadim.
>>>> 
>>>> 
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>>> 
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> 


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