So here's a weird one: we took over a small business account from Vonage.  
Vonage was using Onvoy for origination, and we elected to keep the TNs with 
Onvoy (through a wholesaler).  So the "port" only consisted of Onvoy repointing 
traffic for those TNs internally away from Vonage and to our reseller, with no 
LRN change.

The weird bit is that we definitely are seeing some traffic for those numbers 
hitting us, but it's been nearly 72 hours now and some calls are still ringing 
their Vonage ATAs.  I couldn't tell you definitively where the delineation is, 
but I can tell you, for example, that if I call any of the TNs from my AT&T 
cell, those calls still hit Vonage, so I can at least reproduce the problem 
at-will.  This is for a local real-estate office, and AT&T is big in our 
relatively rural market, so even if it turns out that AT&T is the only provider 
that is affected, that is still a huge percentage of our end-user's client 
base.  And the frustrating bit is that traffic is now effectively being 
"forked", which is a huge inconvenience for our end-user since they have an old 
key system with analog trunks and so we have to choose between having our IAD 
hooked up to their KSU or having their stack of Vonage ATAs hooked up.  (For 
now, we have left the Vonage ATAs in place, and we are forwarding calls tha
 t come to us to a single line from the ILEC that this office ended up keeping. 
 I don't know what we would have done if they didn't have that line.)

Onvoy swears up and down that everything is configured correctly on their side, 
and given that we are at least getting *some* calls, I am inclined to believe 
them.  When I give them call examples from my cell phone, they say that they 
don't even see those calls hitting their systems at all.  At this point, the 
running theory is that AT&T must have some kind of direct peering with Vonage, 
and Onvoy isn't in the loop at all on those calls.  If that's the case, then 
perhaps everything magically works itself out once I have the end-user call up 
Vonage and have them close out the account completely.  But I'm not sure it is 
worth the risk of having them take that step with things as they are, on the 
off-chance that I guessed wrong (instead of the problem getting fixed, calls 
from AT&T start going to /dev/null).

Has anybody encountered anything like this before, or heard of national 
wireless carriers doing direct peering with national VoIP providers while 
completely bypassing PSTN switching infrastructure?  Are there any AT&T, Onvoy, 
and/or Vonage reps reading this who can help un-**** this cluster?

Thanks,

-- 
Nathan Anderson
First Step Internet, LLC
nath...@fsr.com

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