[OpenSIPS-Users] NAT Helper

Bogdan-Andrei Iancu bogdan at opensips.org
Mon Mar 12 13:20:53 CET 2012


Robert,

you mean you get the call (from main SIP server), you send the INVITE to 
the client (he is behind a NAT), and you receive back from client a 401 
reply ?

Regards,
Bogdan

On 03/09/2012 08:00 PM, ICI-Robert wrote:
> They do get to opensips but looks like I'm getting 401
>
> Sent from my iPhone 4S
>
> On Mar 9, 2012, at 12:22 PM, Bogdan-Andrei Iancu <bogdan at opensips.org 
> <mailto:bogdan at opensips.org>> wrote:
>
>> Hi Robert,
>>
>> NAThelper solves problems about NAT by doing pinging and changing 
>> private IPs in the SIP messages.
>>
>> What exactly is your issue with the inbound calls ? do they get to 
>> opensips ? does opensips send them to the right destination ?
>>
>> Regards,
>> Bogdan
>>
>> On 03/08/2012 03:42 PM, Robert wrote:
>>> Would using NAT Helper resolve an issue with inbound calling?
>>>
>>> I can complete outbound calling and registration via OpenSIPS using 
>>> rewritehostport – but I cannot receive calls to the UA.
>>>
>>> From the sip logs it appears to be returning the call to the UA 
>>> directly (public ip) and not via OpenSIPS or via private NAT ip.
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.opensips.org
>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>> -- 
>> Bogdan-Andrei Iancu
>> OpenSIPS Founder and Developer
>> http://www.opensips-solutions.com


-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

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