[VoiceOps] SS7 Landscape

Ross Tajvar ross at tajvar.io
Tue Oct 17 17:07:58 EDT 2023


This sounds like a carrier with a lot of SIP peers, which is already a
thing that exists today. It also requires a lot of time and work to build,
because you need some traffic for the other side to justify the cost to
interconnect with you.

On Tue, Oct 17, 2023, 5:05 PM Jawaid Bazyar via VoiceOps <
voiceops at voiceops.org> wrote:

> Hi,
>
> I am joining this thread late, but, would anyone out there be interested
> in exchanging traffic with other carriers directly over SIP?
>
> The service would just look like a carrier, except it would know how to
> reach all other participants directly with SIP, bypassing TDM land, and
> enabling rich media as a fringe benefit, as media would be direct between
> endpoints.
>
> I have a proof of concept and am wondering who out there might be willing
> to do some testing.
>
> Email me directly if interested, to talk about your network and how
> something like this might fit in.
>
> Cheers,
>
> Jawaid
>
>
> On Thu, Oct 12, 2023 at 1:49 PM Mary Lou Carey via VoiceOps <
> voiceops at voiceops.org> wrote:
>
>> If you already have SS7 services via Sigtran then going into a Frontier
>> area would just be a matter of adding another SS7 for that tandem.
>>
>> MARY LOU CAREY
>> BackUP Telecom Consulting
>> Office: 615-791-9969
>> Cell: 615-796-1111
>>
>> On 2023-10-12 11:42 AM, Mike Hammett wrote:
>> > *nods* We take SIGTRAN over IPSec over the public Internet, then
>> > convert to SS7 over DS1s in some old Ciscos.
>> >
>> > -----
>> > Mike Hammett
>> > Intelligent Computing Solutions
>> > http://www.ics-il.com
>> >
>> > Midwest Internet Exchange
>> > http://www.midwest-ix.com
>> >
>> > -------------------------
>> >
>> > From: "Nick Olsen" <nick at 141networks.com>
>> > To: "Mike Hammett" <voiceops at ics-il.net>
>> > Cc: "Mary Lou Carey" <marylou at backuptelecom.com>, "voiceops"
>> > <voiceops at voiceops.org>
>> > Sent: Wednesday, October 11, 2023 6:04:03 PM
>> > Subject: Re: [VoiceOps] SS7 Landscape
>> >
>> > We use them at $DAYJOB. We've had no issues with syniverse themselves
>> > in the recent years while I've been at the company. But plenty of
>> > issues with the transport providers to reach them. Luckily never both
>> > at the same time. Including a number of instances of flapping. Note,
>> > these are A-Links over TDM, not SIGTRAN at this time.
>> >
>> > On Wed, Oct 11, 2023 at 4:22 PM Mike Hammett via VoiceOps
>> > <voiceops at voiceops.org> wrote:
>> >
>> >> Anyone in here using Syniverse for these services and can speak to
>> >> their reliability?
>> >>
>> >> -----
>> >> Mike Hammett
>> >> Intelligent Computing Solutions
>> >> http://www.ics-il.com
>> >>
>> >> Midwest Internet Exchange
>> >> http://www.midwest-ix.com
>> >>
>> >> -------------------------
>> >>
>> >> From: "Mary Lou Carey" <marylou at backuptelecom.com>
>> >> To: "Mike Hammett" <voiceops at ics-il.net>
>> >> Cc: "voiceops" <voiceops at voiceops.org>
>> >> Sent: Tuesday, January 25, 2022 11:59:14 AM
>> >> Subject: Re: [VoiceOps] SS7 Landscape
>> >>
>> >> There are pros and cons to everything. It sounds like in your case
>> >> you
>> >> may just want to keep your ISUP trunks and SS7 links, but maybe look
>> >> at
>> >> another provider for SS7. Syniverse is also an option but I'm not
>> >> sure
>> >> if their service has gone downhill like TNS' apparently has.
>> >>
>> >> MARY LOU CAREY
>> >> BackUP Telecom Consulting
>> >> Office: 615-791-9969
>> >> Cell: 615-796-1111
>> >>
>> >> On 2022-01-25 10:38 AM, Mike Hammett wrote:
>> >>> Right, but as I said earlier, I'm already in the same building as
>> >> the
>> >>> tandem, so I'm just adding points of failure for moving an
>> >> existing
>> >>> operation somewhere else.
>> >>>
>> >>> -----
>> >>> Mike Hammett
>> >>> Intelligent Computing Solutions
>> >>> http://www.ics-il.com
>> >>>
>> >>> Midwest Internet Exchange
>> >>> http://www.midwest-ix.com
>> >>>
>> >>> -------------------------
>> >>>
>> >>> From: "Mary Lou Carey" <marylou at backuptelecom.com>
>> >>> To: "Mike Hammett" <voiceops at ics-il.net>
>> >>> Cc: "Paul Timmins" <paul at timmins.net>, "voiceops"
>> >>> <voiceops at voiceops.org>
>> >>> Sent: Monday, January 24, 2022 10:42:22 PM
>> >>> Subject: Re: [VoiceOps] SS7 Landscape
>> >>>
>> >>> When you use a PSTN connection provider you route your traffic to
>> >> them
>> >>>
>> >>> via SIP and they handle all the SS7 so you can eliminate your
>> >> direct
>> >>> LIS
>> >>> trunks with the LEC and your SS7 Links.
>> >>>
>> >>> MARY LOU CAREY
>> >>> BackUP Telecom Consulting
>> >>> Office: 615-791-9969
>> >>> Cell: 615-796-1111
>> >>>
>> >>> On 2022-01-23 05:33 AM, Mike Hammett wrote:
>> >>>> Well right, but wouldn't I still need all of the same stuff
>> >> (perhaps
>> >>> a
>> >>>> few less trunks to specific switches, only now I have fewer
>> >> minutes
>> >>> to
>> >>>> spread the costs over?
>> >>>>
>> >>>> -----
>> >>>> Mike Hammett
>> >>>> Intelligent Computing Solutions
>> >>>> http://www.ics-il.com
>> >>>>
>> >>>> Midwest Internet Exchange
>> >>>> http://www.midwest-ix.com
>> >>>>
>> >>>> -------------------------
>> >>>>
>> >>>> From: "Paul Timmins" <paul at timmins.net>
>> >>>> To: "Mike Hammett" <voiceops at ics-il.net>
>> >>>> Cc: "voiceops" <voiceops at voiceops.org>
>> >>>> Sent: Sunday, January 23, 2022 12:01:01 AM
>> >>>> Subject: Re: [VoiceOps] SS7 Landscape
>> >>>>
>> >>>> Even without IPES you can switch your feature group D to voip
>> >>> through
>> >>>> these aggregators and get rid of basically everything that isn't
>> >> the
>> >>>> local LEC's legacy network.
>> >>>>
>> >>>>> On Jan 22, 2022, at 7:03 PM, Mike Hammett <voiceops at ics-il.net>
>> >>>>> wrote:
>> >>>>>
>> >>>>> Sure, but then I just transfer the problem to someone else,
>> >> until
>> >>>>> the traditional PSTN goes away or modernizes. I am working on
>> >> IPES
>> >>>>> for expansion markets, though.
>> >>>>>
>> >>>>> Also, for my home LATA, I'm needing to be in the same building
>> >> as
>> >>>>> the primary tandem, so it's kind of a selling point for large
>> >>>>> customers in that area that I would have fewer opportunities for
>> >>>>> failures. I don't have to go to Chicago and back to get to the
>> >>>>> operator in the next row of racks over. Though, I suppose my SS7
>> >>>>> diversity and availability is the weakness, not the actual call
>> >>>>> path.
>> >>>>>
>> >>>>> -----
>> >>>>> Mike Hammett
>> >>>>> Intelligent Computing Solutions
>> >>>>> http://www.ics-il.com [1]
>> >>>>>
>> >>>>> Midwest Internet Exchange
>> >>>>> http://www.midwest-ix.com [2]
>> >>>>>
>> >>>>> -------------------------
>> >>>>>
>> >>>>> From: "Paul Timmins" <paul at timmins.net>
>> >>>>> To: "Mike Hammett" <voiceops at ics-il.net>
>> >>>>> Cc: "voiceops" <voiceops at voiceops.org>
>> >>>>> Sent: Saturday, January 22, 2022 1:46:46 PM
>> >>>>> Subject: Re: [VoiceOps] SS7 Landscape
>> >>>>>
>> >>>>> Reduce your reliance on it more and more. Switch to IP tandems
>> >>>>> (Inteliquent/Peerless/etc) and ip interconnect. The people who
>> >> make
>> >>>>> and support SS7 equipment are in a dying market, the brain drain
>> >> on
>> >>>>> it is immense as people retire, and the longer you rely on it,
>> >> the
>> >>>>> worse it's gonna get.
>> >>>>>
>> >>>>> TNS is a big dog in the space. But that's not saying much
>> >> anymore.
>> >>>>>
>> >>>>>> On Jan 22, 2022, at 10:00 AM, Mike Hammett
>> >> <voiceops at ics-il.net>
>> >>>>>> wrote:
>> >>>>>>
>> >>>>>> We currently get our SS7 via TNS. I (maybe incorrectly)
>> >> understand
>> >>>>>> them to be a big dog in that space.
>> >>>>>>
>> >>>>>> I've had two major problems with them in six months.
>> >>>>>>
>> >>>>>> What are my alternatives? Are they less pleasant?
>> >>>>>>
>> >>>>>> -----
>> >>>>>> Mike Hammett
>> >>>>>> Intelligent Computing Solutions
>> >>>>>> http://www.ics-il.com [1]
>> >>>>>>
>> >>>>>> Midwest Internet Exchange
>> >>>>>> http://www.midwest-ix.com [2]
>> >>>>>>
>> >>>>>> _______________________________________________
>> >>>>>> VoiceOps mailing list
>> >>>>>> VoiceOps at voiceops.org
>> >>>>>> https://puck.nether.net/mailman/listinfo/voiceops
>> >>>>
>> >>>>
>> >>>>
>> >>>> Links:
>> >>>> ------
>> >>>> [1] http://www.ics-il.com/
>> >>>> [2] http://www.midwest-ix.com/
>> >>>> _______________________________________________
>> >>>> VoiceOps mailing list
>> >>>> VoiceOps at voiceops.org
>> >>>> https://puck.nether.net/mailman/listinfo/voiceops
>> >>
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