Verizon Wireless LTE/4G and SIP Header Manipulation

Tue Sep 22 16:38:30 UTC 2015

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 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.
> sounds like a really good application for TLS
>
>> Thanks
>>
>> Mark
>>
>