[183946] in North American Network Operators' Group
Re: Verizon Wireless LTE/4G and SIP Header Manipulation
daemon@ATHENA.MIT.EDU (Christopher Morrow)
Tue Sep 22 12:22:22 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <56017BC9.6030204@monmouth.com>
Date: Tue, 22 Sep 2015 12:22:19 -0400
From: Christopher Morrow <morrowc.lists@gmail.com>
To: Mark Stevens <manager@monmouth.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Tue, Sep 22, 2015 at 12:03 PM, Mark Stevens <manager@monmouth.com> wrote:
> Hi All,
>
> Has anyone seen that something (most likely an alg) on Verizon's LTE/4G
> network is rewriting SIP headers,in particular From Tag identifiers? We
> cannot make a SIP call from our cellphones (using cellular data) beyond 30
> seconds because the TAGs are rewritten and the destination Asterisk server
> drops the call because of this.
>
I'm shocked that the cellular carrier is making over-the-top phone
calls non-functional. I'm sure they'll agree to meet you at their CO
so you can do the proper work request sometime between 6am and 7pm in
2 weeks time.
go incombancy!
> Thanks
>
> Mark
