On 6/15/16 11:14 AM, dheeraj kumar wrote:
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.
I disagree that it is *recommended*. But it is certainly *allowed* and
common.
But what you might encounter are devices that require media (RTP) to be
*symmetric* - where media must be sent from the same address/port on
which it is received. Some use that as a way to prevent bad behavior. So
you are wise to do that unless you have some compelling need to do
otherwise.
Thanks,
Paul
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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