Hi ,

Signalling and media IP can be same or different. This information is
regarding network side.
Usually same IP for media and signalling is difficult to manage on the
network side in this case we need to segregate the IP address of the basis
of ports not IP.

So it is recommended to use different IP in both signalling and media.


On Wed, Jun 15, 2016 at 7:09 PM, Rakesh <rak...@gmail.com> wrote:

> Hi Expert,
>
> Could you kindly please let me know is there any standard which says that
> the media and signaling IP should be diffrent in SIP INVITE ..
>
> This is the scenario ,
>
> Packet 1 from UE -----INVITE---PCSCF
> Packet 6 from UE -----INVITE---PCSCF
>
> Time difference between both the INVITE is only 1 min .
>
> From UE “User-Agent: eyeBeam release 1003s stamp 31159”  one of the Packet
> 1 (INVITE)  both the Signaling and media IP is present on SDP ,
>
>
> Internet Protocol Version 4, Src: 10.49.208.239 --- Signalling IP
>
> In SDP Connection Address: 10.49.208.039 --- Media IP .
>
>
>
> But if we check the later packate 6 (INVITE)  from the same UE only
> signaling IP is coming on SDP and Media IP is not expose here ,
>
>
> Internet Protocol Version 4, Src: *10.49.208.239* --- Signalling IP
>
> In SDP Connection Address: *10.49.208.239*--- Media IP
>
>
>
>  So what is the RFC standard says here ? It should be same or ?
>
>
> I am asking because in both the case the core node accept and process the
> request .. So where is the behaviour of UE not ok or the behaviour of core
> node also not ok ?
>
>
> Another question is why the core node entertain this behavior of UE .. It
> should reject or its the correct behavior of core node ?
>
>
> *Best Regards*
>
> *Rakesh Kumar Mohanty*
> _______________________________________________
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> Sip-implementors@lists.cs.columbia.edu
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>



-- 
Thanks and Regards

Dheeraj kumar

9999733671
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