Dear Team,
I am working on Lawful interception and integrating our IMS nodes (SBC)
with LEA. We have got a very unusual ask form IB/RAW where they want to
listen the RTP flow before call is actually answered by “B”
We need your help and confirmation from any RFC which clarifies when does
Media
They probably want to listen to the Early Media RTP :
https://tools.ietf.org/html/rfc3960.
Answer to your first question is 'yes. At that time you'll probably capture
prompts and ring tones only - it won't be a conversation between A and B.
Although you might have RTP from both A and B (I think
Hi Paul and Adelia,
Thanks for the prompt response. So as per standard its feasible to relay
the RTP media as soon as offer answer is completed i.e. even after
reliable 18x response.
I agree RBT should be heard to Fanout number(LEA) but what I need to
implement is to send actual RTP. I am not
Ambrish,
What I do when things don't make sense to me is ask the customer for an example
of use.
Lots of times - if not all times - they have a good reason for asking and then
you will better understand the requirement and maybe figure out a better
solution.
One thing that comes to mind is
On 5/29/15 1:33 PM, Ambrish Kumar wrote:
Hi Paul and Adelia,
Thanks for the prompt response. So as per standard its feasible to
relay the RTP media as soon as offer answer is completed i.e. even
after reliable 18x response.
Even after an *un*reliable 1xx response. And one way media even
On 5/29/15 12:11 PM, Ambrish Kumar wrote:
Dear Team,
I am working on Lawful interception and integrating our IMS nodes (SBC)
with LEA. We have got a very unusual ask form IB/RAW where they want to
listen the RTP flow before call is actually answered by “B”
We need your help and confirmation