On Thursday 28 February 2019 at 00:26:17, Ivan Demkovitch wrote:
> Asterisk is NOT exposed to internet, noone connects to Asterisk
> from internet. We use Callcentric for VOIP trunk.
That's the point where you lost me.
Callcentric is out on the Internet. How does it connect to your Asterisk
server?
> External callers get in via Callcentric.
Right...
> 1. Outside caller calls us but can't hear us. I beleive they talked to their
> phone provider and it works now?
It would be good to know what got changed to make that work.
> 2. We have one caller where EVERY time they call - they can't hear us. They
> just say "ok, call us back". We call back and it works :)
So, they connect in via Callcentric too? Just the same as Caller 1?
> 3. We have one caller where when we call them - they cannot
> hear us, but we can hear them. They called back - all works.
What is the difference between callers 1, 2 and 3, in terms of how they connect
to your Asterisk server, or how you connect to them?
> I feel like we need to trace SIP protocol. How do I do that? I may get on
> of those callers to work with us on testing.
I would start with something like:
# tshark -i any -f "port 5060" -w "sip.debug.pcap"
and then afterwards look at the pcap file with tshark (tshark -r
"sip.debug.pcap -V") or some SIP tool such as sngrep.
Antony.
--
"It wouldn't be a good idea to talk about him behind his back in front of
him."
- murble
Please reply to the list;
please *don't* CC me.
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