[Freeswitch-dev] FreeSWITCH SS7 stack

[William King]

Way to go MikeC, taking a lively discussion on the e-mail list serve and
converting it into useful wiki docs. :)

-William 

On Wed, 2009-01-28 at 15:07 -0800, Michael Collins wrote:
> 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/>
> >> ________________________________
> >> _______________________________________________
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> >>
> >> ________________________________
> >> 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/>
> >> ________________________________
> >>
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> >>
> >> ________________________________
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> >>
> >>
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> >>
> >>
> >
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> 
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-- 
William King
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E-mail: william at channelxstream.com
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