[asterisk-biz] Asterisk Router Question, kind of long, sorry

[Jim Houser]

I played with pfSense long ago, probably 1.x at best, well over a 1-year+
ago.  I'm sure it's MEGA updated since then.  Who's hardware do you prefer
to run it on?

Thanks.


-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Chris Bagnall
Sent: Monday, January 11, 2010 10:59 AM
To: 'Commercial and Business-Oriented Asterisk Discussion'
Subject: Re: [asterisk-biz] Asterisk Router Question, kind of long, sorry

> If you look at the attached SIP debug info it seem pretty clear that 
> my SIP messages are getting changed when they reach my SIP provider.  
> I have NO idea how this is happening.

Two possibilities I can think of:

1) Their end is rewriting the SIP headers (kinda like asterisk does when
nat=yes is set in sip.conf)

2) Your router has a SIP Application Layer Gateway (ALG) running on it
that's doing "interesting" things with SIP packets.

We (and I know others here) use pfSesne - an open-source router distro not
dissimilar to Mikrotik (and depending on your router hardware, may well even
run on the same hardware). We've used pfSense at hundreds of client sites
without any issue routing SIP traffic properly.

Regards,

Chris
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