[VoiceOps] Voice peering

Mike Hammett voiceops at ics-il.net
Tue Jan 5 10:40:08 EST 2021

I haven't completed signing up, but that's the very service that Peerless Networks and Neutral Tandem\Inteliquent do for many carriers. 

Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

----- Original Message -----

From: "Ross Tajvar" <ross at tajvar.io> 
To: "VoiceOps" <voiceops at voiceops.org> 
Sent: Tuesday, January 5, 2021 7:57:12 AM 
Subject: [VoiceOps] Voice peering 

Based on this presentation [0] from Comcast, they are interconnecting with their biggest voice peers via SIP rather than SS7. They appear to use ENUM for route selection. I'm sure others are doing this too, though I can't find anything public. 

I'm interested if anyone has more info on how this works. I'm guessing participants maintain their own private ENUM servers and just trust each other? As far as I know the only way to validate number ownership is via an LNP dip, which would be expensive to do for every call. 

I would like to be able to consume a service like that, at least in an outbound direction; as a small operator, I'm sure convincing large carriers to trust my ENUM server would be very difficult. But having a greater degree of interconnectedness (and mostly importantly avoiding TDM) seems like a good thing. 

Does anyone have experience with this sort of thing? 


[0] https://silo.tips/download/voice-peering-interworking-sip-and-bgp 
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