[Freeswitch-dev] FreeSWITCH SS7 stack
Michael Collins
msc at freeswitch.org
Wed Jan 28 15:51:57 PST 2009
Why thank you, sir!
-MC
On Wed, Jan 28, 2009 at 3:24 PM, William King
<william at channelxstream.com> wrote:
> 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/>
>> >> ________________________________
>> >> _______________________________________________
>> >> Freeswitch-dev mailing list
>> >> Freeswitch-dev at lists.freeswitch.org
>> >> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
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>> >> 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
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>> >> http://www.freeswitch.org
>> >>
>> >> ________________________________
>> >> Get news, entertainment and everything you care about at Live.com.
>> >> Check it out! _______________________________________________
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>> >>
>> >>
>> >> _______________________________________________
>> >> Freeswitch-dev mailing list
>> >> Freeswitch-dev at lists.freeswitch.org
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>> >>
>> >>
>> >
>> > _______________________________________________
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>> >
>> > _______________________________________________
>> > Freeswitch-dev mailing list
>> > Freeswitch-dev at lists.freeswitch.org
>> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
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>> >
>>
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> --
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