> On Sep 22, 2015, at 4:24 PM, Christopher Morrow
> wrote:
>
> On Tue, Sep 22, 2015 at 4:16 PM, Mark Stevens 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)
On Tue, Sep 22, 2015 at 4:16 PM, Mark Stevens 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
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
I've seen this behavior before (a few years back). Moved off of VzW for
this reason (i'm lazy to implement workarounds).
IIRC when i investigated, the ALG was trying to not do something nefarious
but just poorly implemented.
On Tue, Sep 22, 2015 at 12:51 PM, Christopher Morrow <
morrowc.li...@gma
On Tue, Sep 22, 2015 at 12:22 PM, Christopher Morrow
wrote:
> On Tue, Sep 22, 2015 at 12:03 PM, Mark Stevens 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
We have this every now and then. Mainly with traffic from the middle east.
Switching the port to something other than 5060 seems to help most of the time.
Every so often we need to go the vpn route.
I know that yealink, snim and possibly polycom have vpn clients built into them.
--Original M
Send all of your signaling over TLS and they won't be able to see or modify it.
Steven Naslund
Chicago IL
-Original Message-
From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Mark Stevens
Sent: Tuesday, September 22, 2015 11:03 AM
To: nanog@nanog.org
Subject: Verizon Wireless LTE/
TLS would be perfect but it is not viable at this point. I guess with
Verizon being what they are, it is time to start working on a SIP over
TLS implementation.
On 9/22/2015 12:24 PM, joel jaeggli wrote:
On 9/22/15 9:03 AM, Mark Stevens wrote:
Hi All,
Has anyone seen that something (most li
On 9/22/15 9:03 AM, Mark Stevens 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
On Tue, Sep 22, 2015 at 12:03 PM, Mark Stevens 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
> secon
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