Verizon Wireless LTE/4G and SIP Header Manipulation

Tue Sep 22 16:24:58 UTC 2015

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
> 


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