[Freeswitch-dev] FreeSWITCH SS7 stack

Michael Collins msc at freeswitch.org
Wed Jan 28 15:07:39 PST 2009


This is very helpful, thanks!
-MC

On Wed, Jan 28, 2009 at 3:01 PM, Remko Kloosterman
<R.Kloosterman at mtel.nl> wrote:
> Well, I cannot disclose the commercial stuff, but I can share some
> experience and resources that I've found to be useful. For example:
>
> Getting started: http://pt.com/page/tutorials/ss7-tutorial/
> ITU recommendations: http://eu.sabotage.org/, dig in to www/ITU.
> I guess you know www.openss7.org
> Online (but recently restricted) MTP3 decoder:
> http://www.linkbit.com/decoder/decoder.html
> Perhaps some design inspiration:
> http://www.nmscommunications.com/DevPlatforms/Support/SWandDoc/default.h
> tm?section=4&ID=43&PAC=472&ST=Current&dok=
>
> Want more?
> Remko
>
>
> -----Oorspronkelijk bericht-----
> Van: freeswitch-dev-bounces at lists.freeswitch.org
> [mailto:freeswitch-dev-bounces at lists.freeswitch.org] Namens Michael
> Collins
> Verzonden: woensdag 28 januari 2009 22:23
> Aan: freeswitch-dev at lists.freeswitch.org
> Onderwerp: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>
> How about some SS7 documentation? ;)
> -MC
>
> On Wed, Jan 28, 2009 at 12:47 PM, Remko Kloosterman
> <R.Kloosterman at mtel.nl> wrote:
>> I've done some SS7 development in the past, using dedicated TX3220 and
>
>> TX4000 signalling boards from NMS Communications (recentlty aquired by
>
>> Dialogic). Even with a lot of commercial documentation available, it's
>
>> horribly complex stuff, especially redundancy. And you need another
>> SS7 switch to test against for interoperability. And SIP trunks are
>> becoming more and more commonly available these days, so one can
>> question if it's worth the effort. Still, I would really like it if
>> someone would try and develop such a feature.
>>
>> Off-topic: If you need SS7 and are willing to pay for it, I can
>> recommend audiocodes mediant gateways. There's a model available with
>> embedded SS7 signalling, provided by Teles. And real cheap too,
>> compared to other SS7 switches.
>>
>> ________________________________
>> Van: freeswitch-dev-bounces at lists.freeswitch.org
>> [mailto:freeswitch-dev-bounces at lists.freeswitch.org] Namens Shane
>> Burrell
>> Verzonden: woensdag 28 januari 2009 20:50
>> Aan: freeswitch-dev at lists.freeswitch.org
>> Onderwerp: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> Trust me AT&T doesn't have free docs. There are hundreds of ANSI SS7
>> docs and they put alot of work and money to make sure you can't get
> them via
>> google search.   Much of it is not in ITU but many ITU switch support
> ANSI
>> features such as Class 5.  Even with the ITU docs in hand you'll need
>> a large team to get it complete enough for Class 4/5 operations
> anytime soon.
>> On Jan 28, 2009, at 2:42 PM, Jan Berger wrote:
>>
>> Next time try to search if AT&T have a free version of the doc first -
>
>> you might get a suprice.
>>
>> ________________________________
>> Date: Wed, 28 Jan 2009 13:36:02 -0600
>> From: krice at freeswitch.org
>> To: freeswitch-dev at lists.freeswitch.org
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> Must be nice ;)
>>
>> Here in the states they want you to pay for documentation on cable
>> pinouts and don't even think about getting documentation for something
>
>> like TCAP LIDB without giving up your first born and an arm.
>>
>>
>>
>> ________________________________
>> From: Jan Berger <janvb at live.com>
>> Reply-To: "freeswitch-dev at lists.freeswitch.org"
>> <freeswitch-dev at lists.freeswitch.org>
>> Date: Wed, 28 Jan 2009 20:22:38 +0100
>> To: <freeswitch-dev at lists.freeswitch.org>
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> I live in Europe - and ITU/ETSI are free :)
>>
>>
>> ________________________________
>>
>> Date: Wed, 28 Jan 2009 12:37:48 -0600
>> From: krice at freeswitch.org
>> To: freeswitch-dev at lists.freeswitch.org
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> That's the same thing we saw...  Everyone wants SS7 but no one wants
>> to help fund it... And to make matters worse just getting proper
>> documentation for ANSI SS7 is not exactly a cheap endeavor.
>> Unfortunately telecordia and crew still want to charge thousands of
>> dollars for the docs when the ITU decided ages ago to make those
>> available for free... Even then its still a substantial amount of
>> effort to get something working (even if you have active links you can
>
>> use to help understand whats going on)
>>
>> K
>>
>>
>>
>>
>> ________________________________
>>
>> From: Jan Berger <janvb at live.com>
>> Reply-To: "freeswitch-dev at lists.freeswitch.org"
>> <freeswitch-dev at lists.freeswitch.org>
>> Date: Wed, 28 Jan 2009 19:30:15 +0100
>> To: <freeswitch-dev at lists.freeswitch.org>
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> This is a little like the hen and the egg...
>>
>> No one will support you starting to write a SS7 ++ stack, but once you
>
>> get going and the first stacks turns up, so will business.
>>
>> Jan
>>
>>
>>
>> ________________________________
>>
>>
>> From: mike at jerris.com
>> To: freeswitch-dev at lists.freeswitch.org
>> Date: Tue, 27 Jan 2009 15:06:11 -0500
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>>
>> I still see a compelling business case for a foundation supported free
>
>> open source set of libs for the base protocols, commercially supported
>
>> by multiple contributors who build higher level applications using the
>
>> base protocols.  In a situation like this, commercial sponsors can
>> pool resources for certification.  Obviously anyone using a modified
>> version would not be using certified code but the sponsors who pay for
>
>> certification would still get multiple benefits.
>>
>> Mike
>>
>> On Jan 27, 2009, at 2:07 PM, Ken Rice wrote:
>>
>>
>>
>> I don't see a non Commercial one getting certification and then
>> getting widely used here in the states... That's the problem you have
>> to spend tons of time to get them certified... Its not like SIP where
>> they will pretty much take anything and everything unfortunately
>>
>> K
>>
>> From: Brian West <brian at freeswitch.org>
>> Reply-To: "freeswitch-dev at lists.freeswitch.org"
>> <freeswitch-dev at lists.freeswitch.org>
>> Date: Tue, 27 Jan 2009 12:59:18 -0600
>> To: "freeswitch-dev at lists.freeswitch.org"
>> <freeswitch-dev at lists.freeswitch.org>
>> Subject: Re: [Freeswitch-dev] FreeSWITCH SS7 stack
>>
>> We should have an open source one too thats MPL or BSD ... I don't
>> agree with selling protocols like this commercially.  Guess thats just
>
>> the Open Source in me wanting that stuff to be free.
>>
>> /b
>>
>> On Jan 27, 2009, at 12:27 PM, Ken Rice wrote:
>>
>> There are things available for this in the commercial space.  One from
>
>> CometSig.com and one from sangoma.  Nothing at this time in the
>> opensource arena. (OpenSS7 will not be integrated with freeswitch due
>> to licensing
>> issues)
>>
>> Contact me off list if you are interested in either of the commercial
>> versions I can assist you with these things.
>>
>> Ken
>>
>>
>> ________________________________
>> check out the rest of the Windows Live(tm). More than mail-Windows
> Live(tm)
>> goes way beyond your inbox. More than messages
>> <http://www.microsoft.com/windows/windowslive/>
>> ________________________________
>> _______________________________________________
>> Freeswitch-dev mailing list
>> Freeswitch-dev at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
>> http://www.freeswitch.org <http://www.freeswitch.org/>
>>
>> ________________________________
>> check out the rest of the Windows Live(tm). More than mail-Windows
> Live(tm)
>> goes way beyond your inbox. More than messages
>> <http://www.microsoft.com/windows/windowslive/>
>> ________________________________
>>
>> _______________________________________________
>> Freeswitch-dev mailing list
>> Freeswitch-dev at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
>> http://www.freeswitch.org
>>
>> ________________________________
>> Get news, entertainment and everything you care about at Live.com.
>> Check it out! _______________________________________________
>> Freeswitch-dev mailing list
>> Freeswitch-dev at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
>> http://www.freeswitch.org
>>
>>
>> _______________________________________________
>> Freeswitch-dev mailing list
>> Freeswitch-dev at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
>> http://www.freeswitch.org
>>
>>
>
> _______________________________________________
> Freeswitch-dev mailing list
> Freeswitch-dev at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
> http://www.freeswitch.org
>
> _______________________________________________
> Freeswitch-dev mailing list
> Freeswitch-dev at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-dev
> http://www.freeswitch.org
>



More information about the Freeswitch-dev mailing list