[SR-Users] Record-Route and received/rport parameters

[Amar Tinawi]

Then you may be use stun/turn solution or rtpengine

Regards

On Thu, May 3, 2018, 5:30 PM Asgaroth <00asgaroth00 at gmail.com> wrote:

> This would not work if I dont have access to the proxy that is advertising
> a private address in the record-route header, thanks for the tip though.
>
>
>
> On 03/05/18 15:26, Amar Tinawi wrote:
>
> You may introduce advertise command  in the configuration files when
> defining the interfaces
>
>
> Like this way :
> listen=private ip  advertise public ip
>
> On Thu, May 3, 2018, 4:52 PM Asgaroth <00asgaroth00 at gmail.com> wrote:
>
>> Hi All,
>>
>> I've come accros a scenario where a proxy is sitting on a private
>> address range and inserts a record-route specifying the the private
>> address.
>>
>> This causes issues whereby the BYE to an INVITE attempts to relay to the
>> private address defined in record-route.
>>
>> I was wondering, if we were inject a received and rport parameter into
>> the record-route header of the original invite, whould kamailio relay
>> the response (BYE) to the receive/rport destination instead of the uri
>> defined in the record-route header.
>>
>> As an example, initial invite comes in with a record-route as follows:
>>
>> Record-Route: <sip:172.17.0.2:5062;lr;ftag=b4551d29>
>>
>> If we injected received and rport as follows:
>>
>> Record-Route:
>> <sip:172.17.0.2:5062;lr;ftag=b4551d29;rport=33429;received=212.172.2.212>
>>
>> and relayed the message to the B2B.
>>
>> Then, I assume, when the B2B creates its BYE message, the Route header
>> should look like this:
>>
>> Route:
>> <sip:172.17.0.2:5062;lr;ftag=b4551d29;rport=33429;received=212.172.2.212>
>>
>> Once this hits the kamailio instance to relay to the last route header
>> as mentioned above, would it set $du to received:rport like it does with
>> Via headers?
>>
>> Thanks
>>
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>>
>
>
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