Hi all.
I have a customer running 3CX who sometimes has calling problems because
the trunk becomes unregistered from our Broadworks platform. When you look
at the REGISTERs, there are a couple peculiarities:
1. 3CX sends an un-REGISTER (expires=0) right before it re-REGISTERs
rather than j
Pete,
Does the same behavior happen regardless of how they are registered?
Specifically SRV, vs A record, vs IP registration? We have experienced some
peculiar behavior of this kind with customers and found that changing the
host resolution method to be an effective strategy for "fixing" such
prob
Back some time ago, we had a customer using 3CX to our Metaswitch… somewhat
similar issues.
Every time their 3CX had a hiccup, they too expected us to fix their issue… we
could prove via capture it wasn’t us. We tried everything we could come up
with… no luck. Finally suggested they engage 3CX
We host 3CX for our customers, in our own infrastructure, and manage it for
them. I have an advanced certification with them, but this sort of thing
was never covered in training, and I've never heard of it before. Our core
infrastructure is Asterisk (where all other servers register to). So thi
There is a STIR-SHAKEN process of registering and testing with the Policy
Administrator (PA) as a certified Service Provider (SP) before you can
purchase SHAKEN token certificates from a Certificate Authority (CA) and
begin to engage in using the technology. This is not a walk in the park.
Transnex
Thanks Carlos.
I did try searching the web, and thus the 3CX forums, before emailing the
group but came up blank.
We will move to unauthenticated, IP-based trust if necessary, but that's
usually a last resort. But I will ask about the low-level settings. Thanks
for the advice.
On Wed, Sep 2, 202
On 02/09/2020 13:46, Pete Eisengrein wrote:
The problem comes in when we get the un-REGISTER but it is not
followed by a new REGISTER and calls begin to fail. The customer is
obviously frustrated and is expecting _me _to do something about it,
but...
Sounds like the timer for refreshing the r
Should read, 25k MOU per month!
On Wed, Sep 2, 2020 at 12:56 PM Christopher Aloi wrote:
> We have a customer who needs a PRI to SIP gateway to handle some legacy
> applications and a service provider to handle their calls (1T!1,
> ~25k/month). It is not a market we deal with but I am looking to
We have a customer who needs a PRI to SIP gateway to handle some legacy
applications and a service provider to handle their calls (1T!1,
~25k/month). It is not a market we deal with but I am looking to refer the
customer to a provider who does. Any recommendations? I would just direct
the custom
Try ric...@jivetel.com. They have a lot of legacy clients that they help
accommodate and are knowledgeable in the different gateway options.
On Wed, Sep 2, 2020 at 12:58 PM Christopher Aloi wrote:
> We have a customer who needs a PRI to SIP gateway to handle some legacy
> applications and a ser
Pretty much anyone provides this. I would first decide if you want to go
with an OTT (over the top) provider or ILEC/CLEC that services your
customer's location. For OTT, I have always liked Nexvortex. They have
been around a long time.
*Brandon Svec*
On Wed, Sep 2, 2020 at 9:58 AM Christopher
I was just going to ask where are they located? What part of the country? If in
my region I might say us. If they are half way across the country I would pass.
Matt
Matthew Yaklin
Network Engineer
FirstLight
359 Corporate Drive │ Portsmouth, NH 03801
Mobile 603-845-5031
myak...@firstlight.net |
As much as I hate to suggest it in light of the recent BGP problems that arose
with them but Centurylink can handle what you need. I you get ahold of them and
they suggest a representative, you can find one here https://www.doyen-ns.com
which may be a good place to start. They’ll help you get it
Many Adtran NetVanta and Total Access 9xx boxes can convert a PRI to SIP
or SIP to PRI.
On 9/2/20 12:56 PM, Christopher Aloi wrote:
We have a customer who needs a PRI to SIP gateway to handle some legacy
applications and a service provider to handle their calls (1T!1,
~25k/month). It is not a
If we purchase our numbers through wholesalers, would we need delegated
certificates if we are sending an outbound call through a vendor that is
not the wholesaler we got the number from?
On Wed, Sep 2, 2020 at 7:22 AM Dave Frigen wrote:
> There is a STIR-SHAKEN process of registering and testin
If I understand correctly, no as long as your providers are all supporting
this. What I think you mean is that you get origination/DIDs from say
Bandwidth, and you use LCR to route calls to whoever is cheapest? There
are ways to work with that challenge as long as your carriers are ready to
do so
In practice i can sign anything and it properly flags on comcast and tmo. There
are totally legitimate circumstances (like forwarding a call) where you might
attest C a call that isn't sourced from a number you own.
From: VoiceOps on behalf of Jared Geiger
Se
LCR or no LCR, using a termination vendor that is different to one’s
origination vendor for a given CID is more normal than not in VoIP. I would
guess it’s the default wholesale use-case. Origination and termination are very
different business models with radically different economics.
I’m not
The solution is that you sign your calls with your certificate. Carriers aren't
doing LNP dips to verify the number is really yours, they're trusting your
attestation (A: yes, the caller id is verified, B: it comes from our customer,
but not verified, C: "this touched our switches, good luck wit
The official SHAKEN/STIR answer, anticipated by the FCC rules, ignores
how/where you're buying origination services. Unless an lawyer tells me
otherwise, the FCC says each "Voice Service Provider" must implement the SHAKEN
framework on all its SIP network, and so you (as the Voice Service Provid
Thank you, that’s very clear and sums it all up!
One lingering question: even without providing a fully attestable chain of
custody, if the call took a route A -> B -> C, are signatures cumulative such
that I could block calls attested by B coming through C? Or am I constrained to
blocking a c
Thank you, that’s really helpful info.
—
Sent from mobile, with due apologies for brevity and errors.
> On Sep 2, 2020, at 2:49 PM, Mark Lindsey wrote:
>
> The official SHAKEN/STIR answer, anticipated by the FCC rules, ignores
> how/where you're buying origination services. Unless an lawyer t
SHAKEN doesn't record the chain (like you'd see with Via headers, for example)
of Intermediate Providers who handle the call. There's only one Identity header
and it is to be passed unchanged from the origin point to the terminating Voice
Service Provider.
When the Identity header with PASSporT
That’s what I thought, thank you for clarifying. I was just confused because of
the language in Paul’s previous explanation—no fault of his.
But in the bottom of the barrel, it will leave some folks with a conundrum
about what to do when XYZTelecom sends their good conversational traffic
throug
Once signed, you just pass it on with its existing signature. Only the
originator signs it. It could technically have multiple headers, but
that's not the intent.
As for on the ground realities, I can only point out that out of 8008
possibly signed inbound calls in the last 24 hours (only my i
Exactly that. The idea is collateral pain for misbehavior. Or attorneys
general knocking on doors wondering why they're allowing robocalls
through their network. Ideally both.
On 9/2/20 3:06 PM, Alex Balashov wrote:
That’s what I thought, thank you for clarifying. I was just confused
because o
Replace “robocalls” with “spoofed calls” and you would be correct. A service
provider can legitimately provide A attestation to calls that turn out to be
illegal robocalls, as long as the caller can legitimately use the number they
are calling from. At that point the traceback functionality of
So far this trail of emails is correct. All calls have to be traceable back to
the origination provider (via PA registered certificates) for legal enforcement
purposes. So each SP will need to authenticate (guarantee validity of) their
own calls. You just don’t necessarily need access to your ow
Hi all,
I'm trying to understand how routing works in SS7-land. I am familiar with
portability, and I know (at least in the US) the first step in routing a
call is doing an LNP dip to get the LRN.
However, it looks like addresses in MTP3 are "point codes" (PCs) which are
assigned to switches. Cal
You only send calls to point codes you're connected to with ISUP trunks (what
is a control network without bearer channels?), so you don't really do it that
way. You would look at your usual LCR/routing table, and the adjacent switch
you want to pass it to, be it a local end office, feature grou
I see, that makes sense. So then I have two follow-up questions:
1. If you are connected to multiple carriers, e.g. multiple long
distance carriers, how do you populate your routing table? (Obviously "it
depends" but I'd be interested to hear an example.)
2. If you are setting up equip
Your number block homing arrangements should be published in the LERG.
—
Sent from mobile, with due apologies for brevity and errors.
> On Sep 2, 2020, at 6:12 PM, Ross Tajvar wrote:
>
>
> I see, that makes sense. So then I have two follow-up questions:
> If you are connected to multiple carr
1. You route it to the one that's least expensive, or provides the highest
quality, or whatever your target market is. This part's really up to you and
it's part of the differentiator of your product.
2. Apply for the blocks with NANPA/National Pooling after getting all the
right licensure
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