[asterisk-users] Solved: Re: Asterisk 13.18.3 PJSIP. Wrong Port in Contact Header in Reply to REGISTER?

Olivier oza.4h07 at gmail.com
Fri Jan 17 02:09:17 CST 2020


Days ago, I banged on a similar issue with Debian Buster's asterisk (16.2):
my box had two interfaces (one North and one South) both with private
when relaying calls from South to North, my box used South Address for
media handling.

Upgrading to 16.7.0 without changing configuration, immediately solved the

I didn't have time to dig into this (ie reading Changelogs or debugging
step by step).
I don't think my config was perfect either but if I had to implement
anything on Debian Buster again, I'll prepare myself to spend some times on

My 0.01 cent

Le lun. 13 janv. 2020 à 15:51, Benoit Panizzon <benoit.panizzon at imp.ch> a
écrit :

> Hi Joshua
> Thank you for your reply.
> Indeed, Ubuntu only ships with this old version. Upgraded to 16.2. via
> PPA. Problem persisted.
> Well, I already mentioned that this is a machine with two physical
> interfaces with different routes which on the 'external' side handles
> SIP customer registrations and has an 'internal' IC Trunk to a
> commercial Voice Switch via private IP Range.
> I had the problem, that some of the packets sent out on the 'external'
> side contained 'private' IP addresses in either signaling or SDP.
> So I threw all options I could find into the config to bind
> transports, endpoints, media and so on to the corresponding interface ip
> address. First this looked good. I had the correct IP in every header
> and SDP I expected.
> well setting under transport:
> external_signaling_address=[local IP]
> Assuming this is the own interface IP that would be told to external
> endpoints was obviously wrong.
> In the end this caused the Proxy-SBC to believe it was not getting an
> OK to it's forwarded registration and discard this session.
> Mit freundlichen Grüssen
> -Benoît Panizzon-
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