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[ecf-dev] Re: [soc-dev] Soc Project Introduction
Hi Jake,

I really appreciate your help on this. Yeah Jake, i asked it from Scott and My mentor Roland about it and I'm waiting to hear it from them. and your point is correct. but this only appies to the packages "gov.nist", "test" and "tools" as it is given in this. But the SIP implementation is under javax.sip package and it  is covered under a different license given in JSIP Spec License.

This is extracted from it.

"For the purposes of this Agreement: "Independent Implementation" shall mean an implementation of the Specification that neither derives from any of Sun's or BEA’s source code or binary code materials nor, except with an appropriate and separate license
from Sun or BEA, as applicable, includes any of Sun's or BEA’s source code or binary code materials; and "Licensor Name Space" shall mean the public class or interface declarations whose names begin with "java", "javax", "com.sun" or their equivalents in any
subsequent naming convention adopted by Sun through the Java Community Process, or any recognized successors or replacements thereof."

That is the only point that i'm not sure whether it's eligibile for ECF under EPL.

Thanks and Regards,
Harshana Martin

On Sat, Jun 13, 2009 at 5:23 PM, Jacob Beard <jbeard4@xxxxxxxxxxxx> wrote:
Hi Harshana,

I think it is highly likely that licensing will not be problematic.
See the license:

https://jain-sip.dev.java.net/source/browse/jain-sip/licenses/NIST-CONDITIONS-OF-USE.txt?rev=1.1&view=markup

/*
***********************************************************************
* The following applies to the packages "gov.nist", "test" and
* "tools" and all subpackages thereof
***********************************************************************
*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), and others.
* This software has been contributed to the public domain.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.
* As a result, a formal license is not needed to use this software.
*
* This software is provided "AS IS."
* NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* this software.
*
*
*/

I'm not a lawyer, but based on the little bit I know about software
licensing, I think "public domain" is about as liberal as you can get.
This typically means you can take it, use it for any purpose, and
relicense it, which, I believe would be sufficient for inclusion into
your project.

But, like I said, I'm not a lawyer. I believe the Eclipse Foundation
retains people to do IP checking, and I would highly recommend asking
for a formal opinion on this from one of them. Ask your mentor, he or
she should know where to ask to get this process started. I would
absolutely get this checked before doing any more work on implementing
your own SIP stack.

Best,

Jake

On Sat, Jun 13, 2009 at 1:44 AM, Harshana Eranga
Martin<harshana05@xxxxxxxxx> wrote:
> Hi Jake,
>
> They don't allow us to use this for sub licensing and here in the ECF we are
> distributing it under EPL. So i think there might be problems with license.
> So what do you think? Won't it be a problem?
>
> Thanks and Regards,
> Harshana
>
> On Fri, Jun 12, 2009 at 1:54 AM, Jacob Beard <jbeard4@xxxxxxxxxxxx> wrote:
>>
>> Hi Harshana,
>>
>> Just out of curiosity, what turned out to be the problem with
>> jain-sip? It appears to be a reference implementation, and extremely
>> liberally licensed:
>>
>>
>> https://jain-sip.dev.java.net/source/browse/jain-sip/README?rev=1.29&view=markup
>> https://jain-sip.dev.java.net/source/browse/jain-sip/licenses/
>>
>> Let me know. Thanks,
>>
>> Jake
>>
>>
>> On Thu, Jun 11, 2009 at 3:14 PM, Harshana Eranga
>> Martin<harshana05@xxxxxxxxx> wrote:
>> > Hi All,
>> >
>> > Thanks for the suggestions you all have made. I'll look in to the usage
>> > of
>> > JNI which i didn't pay my attention until now.
>> >
>> > And yes Jacob, SIP is a huge stack to work on and Scott also suggested
>> > the
>> > same point regarding the scope. Hence i'm only thinking of implementing
>> > the
>> > few sections which are essential for VoIP. But still it's quite huge. I
>> > spent some time on JAIN which is a java.net project consider as a
>> > Reference
>> > impl of SIP. I downloaded and check jSIP also. Many of these are under
>> > GNU
>> > GPL which is not compatible with the EPL. So that's why i started
>> > implementing the SIP. But i think usage of C/C++ implemeted sip stack
>> > with
>> > JNI would be better. So thanks for that thought.
>> >
>> > Souvik, AFAIK, EPL is compatible with BSD License and Aache License.
>> >
>> > Happy coding for you all too :)
>> >
>> > Regards and Cheers,
>> > Harshana
>> >
>> >
>> > On Thu, Jun 11, 2009 at 11:52 PM, Souvik Roy <da.comp.guy@xxxxxxxxx>
>> > wrote:
>> >>
>> >> Hi Harshana,
>> >> I think you can look into some Java.net projects. AFAIR, there were
>> >> many
>> >> of projects of SIP. I'm not sure about there licensing though. I'll
>> >> also go
>> >> with Jacob's suggestion regarding the use of JNI. But I'm still very
>> >> unsure
>> >> about the licensing issues. Can anyone please point out the licenses
>> >> that
>> >> are compatible with EPL ?
>> >>
>> >> Good Luck and Happy Coding
>> >> Souvik
>> >>
>> >> On Thu, Jun 11, 2009 at 7:49 PM, Jacob Beard <jbeard4@xxxxxxxxxxxx>
>> >> wrote:
>> >>>
>> >>> Hi Harshana,
>> >>>
>> >>> I'm another gsoc student, and I'm interested to hear about the
>> >>> progress you're making on your project. I just have a quick comment:
>> >>> the SIP protocol is rather huge, and it seems like the task of
>> >>> implementing a full SIP stack could easily consume an entire summer.
>> >>> Have you looked into leveraging existing SIP implementations? For
>> >>> example, mjsip, which is used in the sipdroid project:
>> >>>
>> >>> http://mjsip.org/
>> >>> http://sipdroid.org/
>> >>>
>> >>> I see that mjsip is GPL-licensed, which actually probably makes it
>> >>> impossible to use for Eclipse. Perhaps there's a liberally-licensed,
>> >>> portable SIP library written in C/C++ that you could use via JNI.
>> >>> There seem to be quite a few OSS SIP implementations:
>> >>>
>> >>>
>> >>>
>> >>> http://www.google.ca/search?q=sip+stack&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a
>> >>>
>> >>> Good luck,
>> >>>
>> >>> Jake
>> >>>
>> >>> On Thu, Jun 11, 2009 at 9:48 AM, Harshana Eranga
>> >>> Martin<harshana05@xxxxxxxxx> wrote:
>> >>> > Hi All,
>> >>> >
>> >>> > I am Harshana Eranga Martin from University of Moratuwa, Sri Lanka.
>> >>> > I'm
>> >>> > a
>> >>> > 3rd year undergraduate and specializing in Computer Science and
>> >>> > Engineering.
>> >>> > My project is VoIP implementation for ECF using SIP protocol.
>> >>> >
>> >>> > This is my first Summer of code experience as well as first open
>> >>> > source
>> >>> > experience. I have been working with Java for last 3 years and
>> >>> > Eclipse
>> >>> > for 2
>> >>> > years.
>> >>> >
>> >>> > About the project:
>> >>> >
>> >>> > There are MSN,Yahoo, Skype and few other providers implemented for
>> >>> > ECF.
>> >>> > But
>> >>> > is no Sip implementation or a VoIP in Sip for ECF. My project is to
>> >>> > implement this VoIP facility with Sip which is very popular among
>> >>> > the
>> >>> > other
>> >>> > Communication platforms such as Sip Communicator.
>> >>> >
>> >>> > The wiki page for this project is hosted at :
>> >>> > http://wiki.eclipse.org/ECF/SIP_VoIP.
>> >>> >
>> >>> > Current Progress:
>> >>> >
>> >>> > Currently I'm working on the Sip protocol implementation as there is
>> >>> > no
>> >>> > existing sip implementation in the ECF. For the moment i have
>> >>> > implemented
>> >>> > some methods used to connect to Sip register servers and sip header
>> >>> > related
>> >>> > things. I have tested the implementations with a public sip server
>> >>> > ad
>> >>> > came
>> >>> > up with few problems and currently trying to figure out the causes
>> >>> > of
>> >>> > the
>> >>> > failures with one of my mentor Mr. Roland Fru. I hope to complete
>> >>> > the
>> >>> > protocol implementation soon as possible and to start work on the
>> >>> > VoIP
>> >>> > provider. The repository location is
>> >>> > http://code.google.com/p/voipimplementationforecfusingsip/
>> >>> >
>> >>> > --
>> >>> > Harshana Eranga Martin
>> >>> > Department of Computer Science & Engineering,
>> >>> > University Of Moratuwa,
>> >>> > Moratuwa,
>> >>> > Sri Lanka.
>> >>> >
>> >>> > Web: http://harshana05.blogspot.com
>> >>> > Profile: http://www.google.com/profiles/harshana05
>> >>> >
>> >>> > _______________________________________________
>> >>> > soc-dev mailing list
>> >>> > soc-dev@xxxxxxxxxxx
>> >>> > https://dev.eclipse.org/mailman/listinfo/soc-dev
>> >>> >
>> >>> >
>> >>> _______________________________________________
>> >>> soc-dev mailing list
>> >>> soc-dev@xxxxxxxxxxx
>> >>> https://dev.eclipse.org/mailman/listinfo/soc-dev
>> >>
>> >>
>> >> _______________________________________________
>> >> soc-dev mailing list
>> >> soc-dev@xxxxxxxxxxx
>> >> https://dev.eclipse.org/mailman/listinfo/soc-dev
>> >>
>> >
>> >
>> >
>> > --
>> > Harshana Eranga Martin
>> > Department of Computer Science & Engineering,
>> > University Of Moratuwa,
>> > Moratuwa,
>> > Sri Lanka.
>> >
>> > Web: http://harshana05.blogspot.com
>> > Profile: http://www.google.com/profiles/harshana05
>> >
>> _______________________________________________
>> soc-dev mailing list
>> soc-dev@xxxxxxxxxxx
>> https://dev.eclipse.org/mailman/listinfo/soc-dev
>
>
>
> --
> Harshana Eranga Martin
> Department of Computer Science & Engineering,
> University Of Moratuwa,
> Moratuwa,
> Sri Lanka.
>
> Web: http://harshana05.blogspot.com
> Profile: http://www.google.com/profiles/harshana05
>



--
Harshana Eranga Martin
Department of Computer Science & Engineering,
University Of Moratuwa,
Moratuwa,
Sri Lanka.

Web: http://harshana05.blogspot.com
Profile: http://www.google.com/profiles/harshana05

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