[183954] in North American Network Operators' Group
Re: Verizon Wireless LTE/4G and SIP Header Manipulation
daemon@ATHENA.MIT.EDU (Christopher Morrow)
Tue Sep 22 16:24:31 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <5601B71C.9020901@monmouth.com>
Date: Tue, 22 Sep 2015 16:24:28 -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 4:16 PM, Mark Stevens <manager@monmouth.com> wrote:
> The TAG unique identifier is being changed and this only happens through VZ
> LTE networks, not wired networks or even other cellular data networks
> (Sprint, ATT, T-Mobile)
> Their phones are IPV6 so the packets are getting converted to IPV4 so it is
> either happening there or there is a global ALG in Verizon land that is
> doing it .
> For positive proof I would need Verizon to fess up (LOL) but that will not
> happen or sniff traffic from the cellphone itself.
welp, interesting, good luck in your battle with the pstn.
