[SR-Users] Problem with Kamailio 4.2.0

[David Villasmil]

Are you detecting and managing NAT?

On Mon, Oct 15, 2018, 16:57 José Antonio Gutiérrez Delgado <
joseantonio.gd at arsoft-company.com> wrote:

> Hi,
>
> I'm using Kamailio 4.2.0 and I'm developing a SIP-based application.
> Today I made a test connecting two devices directly to an S7 sharing the
> Internet, I usually use a VPN even if they are both connected to the same
> network because in the future they will be in different networks.Without
> the VPN calls were not received.
> This has never happened to me, I have repeated tests and in an S6 it has
> also happened to me.
> So I have checked my Kamailio server and I have detected that when
> executing: kamctl ul show,
> the received field did not appear:
>
> With VPN:
>
>  Contact:: sip:pruebaT at 47.60.42.40:10924;transport=udp Q=
>                         Expires:: 1992
>                         Callid:: iwNoYb~QR-
>                         Cseq:: 21
>                         User-agent:: Unknown (belle-sip/1.6.1)
>                         Received:: sip:47.60.42.40:10924
>                         State:: CS_NEW
>                         Flags:: 0
>                         Cflag:: 64
>                         Socket:: udp:10.0.0.4:5060
>                         Methods:: 4294967295
>                         Ruid:: uloc-5a9d9097-9fa-431c
>                         Instance::
> <urn:uuid:8b50dde3-d07f-4752-9a24-7b8ddf219a99>
>                         Reg-Id:: 0
>                         Last-Keepalive:: 1539614732
>                         Last-Modified:: 1539614732
>
>
> Without VPN:
>
> Contact:: sip:pruebaT at 37.10.156.189:51163;transport=udp Q=
>                         Expires:: 1996
>                         Callid:: webjvHycBs
>                         Cseq:: 21
>                         User-agent:: Unknown (belle-sip/1.6.1)
>                         State:: CS_NEW
>                         Flags:: 0
>                         Cflag:: 0
>                         Socket:: udp:10.0.0.4:5060
>                         Methods:: 4294967295
>                         Ruid:: uloc-5a9d9097-9fc-1feb
>                         Instance::
> <urn:uuid:89306a81-e2d1-4b7a-8206-107e3cbc0688>
>                         Reg-Id:: 0
>                         Last-Keepalive:: 1539614531
>                         Last-Modified:: 1539614531
>
> Would someone know why it happened? Thanks
>
>
> --
> José Antonio Gutiérrez Delgado
> Responsable técnico
> Oficina: (+34) 923040031
> <http://www.arsoft-company.com/>
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