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Vonage All calls for you will terminate through the same point from non Vonage lines to
All calls for you will terminate through the same point from non Vonage lines to the Vonage network. Depending upon which market your phone number comes from will determine which Vonage partner carrier's switch your number is built into. When a call hits their switch, they send the call to a Vonage inbound GW in a specific location. So regardless of where the caller is or who their phone company is, all Inbound calls to your phone number enter Vonage's network at the same point.
Example:
Your number is from Boston, MA. Vonage's partner carrier for that market is Focal. The trunk groups for this market from Focal to Vonage terminate in the Vonage NYC datacenter. If you receive a call from your next door neighbor or from a caller located in China, both calls will hit the Focal switch for Boston and be transported to Vonage's trunk group in NYC. So there is no difference of who the caller is. All inbound calls to your number route the same.
Now, what might be different is the transport path between the caller's company SunCom and Vonage's carrier Focal. There are many different underlying providers that route calls in between 2 end points. Calls do not route from Point A to Point B for the most part unless it is an in network call. So the issue could be a fiber run or a specific T-1 trunk group that sits somewhere in between SunCom, the carrier they are sending the calls to in order to reach Focal.
The best course of action is to have the caller open a ticket with SunCom and provide all the details of the caller's experience.(1 way audio, dead air, echo). Once they have a ticket #, contact Vonage and ask to be transferred to Advanced Operations. Tell the person you speak in Advanced Operations exactly what the problem is and address the points I speak about in this post. Also provide them with the SunCom ticket number. They will open up and ticket with your inbound provider and reference the SunCom ticket #. If they fail to properly handle this issue, get their name and PM it to me.
There is no guarantee that Vonage's provider will be able to resolve this for you since this is NOT an issue with their trunks. It is most likely an issue with the trunks of an underlying carrier in between as mentioned before. This is rare but I have seen it a few times before where a specific trunk group is not configured properly so the D channel will set up the call and B channels will show activity yet no audio is being passed.
Also be aware that in the case of both SunCom and Vonage's inbound carrier, test calls from the caller to you will be required and may require many as the calls will need to be trapped to see where they go.
Read The Full Thread: Problems with inbound calls from SunCom
• I have one frequent caller, on SunCom wireless who almost always has a problem.
• Did you ever think that it might be a SunCom problem, not vonage. If that is the only
• Yes of course, but that's neither here nor there. Any suggestion to remediate?
• Excellent, thank you
• Great explanation, this shoul be a sticky on this forum on how calls are routed!
BTW,
• Well the use of Focal and Boston was only for an example. I don't know what market
• That was exactly the information I was looking for. THANKS!
I always wrongly
VonTechMgr posted "All calls for you will terminate through the same point from non Vonage lines to" on 12/15/2008 |
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