[VoiceOps] STIR/SHAKEN warning!

[Mike Johnston]

On 2023-07-12 16:37, Nathan Anderson via VoiceOps wrote:
> By the way, love your test tool service.  Thanks for putting it 
> together and maintaining it...what a gift to the community. There are 
> a handful of S/S testing tools out there, but yours is easily the most 
> comprehensive...most just audibly read back to you whether or not your 
> call was attested, and if so at what level.  Nothing about who signed 
> it, whether the backing cert and entire chain of trust is valid or 
> not, and so on, as yours does.  And since most other tests only 
> provide one call-in number, if the call path between you and that 
> testing tool happens to go through an intermediate carrier that strips 
> out our PASSporT and either replaces it with their own or drops it 
> entirely, tough noogies.  Whereas you provide multiple call-in numbers 
> across multiple carriers, which not only provides opportunity to work 
> around such issues, but gives you some idea of call paths that might 
> be breaking transmission of your PASSporT and which ones are okay.  
> Super helpful!

Yes!  I would like to second this!

Also, the ZipDX HD audio test number has been amazing!  The first time I 
was able to get G722 over a PSTN call, I was so excited, I called over 
coworkers to show them.  It's sad that interest in HD codec support is 
so sparse across carriers.
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