24 Apr
2024
24 Apr
'24
12:09 a.m.
Benoit is right!
Your issue is a common NAT issue: your SIP signalling is sending public IP
address on headers, while the SDP content is publishing internal/private IP
addresses:
[image: image.png]
Possible solutions:
1 - Use RTPEngine and integrate it with Kamailio
2 - let your Kamailio instance modify SDP content and replace
internal/private IP addresses with the public addresses
3 - let everyone communicate via VPN and using internal/private IP addresses
I would choose option #1
*Sérgio Charrua*
On Tue, Apr 23, 2024 at 5:55 PM christian.marinelli--- via sr-users <
sr-users(a)lists.kamailio.org> wrote:
Hi HB9EUE, 73!
This is a pcap file that i got with sngrep, a simple call with two client
without voice:
https://drive.google.com/file/d/1WaGvBjKY46IB_hl2cpgWXNYb11Lp9B4v/view?usp=…
I think the problem is precisely the fact that the two clients do not
communicate with each other.
If you can confirm this by the pcap file, is there a way to force the
clients to transmit and receive the voice throught the SIP server intead of
from a direct connection?
Thank you in adavance
Christian de IU6DJR
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