ot: VOIP

ot: VOIP

[Tyler Spivey]

I've been trying to figure this out for a while. I want to talk to a
friend via voip, but I'm behind a firewall, so speak freely's out. I
can't get asterisk going with fwd as a softphone, and it has some
problems - the sound buffers quite a bit for some reason. Our current
solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
Anyone have any solutions for sip user agents or softphones, or other
ways of communication through voip?
Thanks,
Tyler

Re: VOIP

[Tom Moore]

If you can get skype to work somehow that program works with just about any 
type of network configuration.

Tom

----- Original Message ----- 
From: "Tyler Spivey" <tspivey@pcdesk.net>
To: <speakup@braille.uwo.ca>
Sent: Friday, October 07, 2005 1:30 AM
Subject: ot: VOIP


> I've been trying to figure this out for a while. I want to talk to a
> friend via voip, but I'm behind a firewall, so speak freely's out. I
> can't get asterisk going with fwd as a softphone, and it has some
> problems - the sound buffers quite a bit for some reason. Our current
> solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
> Anyone have any solutions for sip user agents or softphones, or other
> ways of communication through voip?
> Thanks,
> Tyler
>
>
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup 

Re: ot: VOIP

[Igor Gueths]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Hi Tyler. What exactly are you doing with speexenc/speexdec and ssh to acheive realtime communication using pipes at that? I have some idea however want to make sure its right. Quite a ghetto 
VOIP sollution at that, however its workable given the right configuration. As for Skype, the graphical version is not accessible in Linux to my knowledge; and there's no CLI version for it. 
So the only option for the moment is to use it on Windblows.
On Thu, Oct 06, 2005 at 10:30:25PM -0700, Tyler Spivey wrote:
> I've been trying to figure this out for a while. I want to talk to a
> friend via voip, but I'm behind a firewall, so speak freely's out. I
> can't get asterisk going with fwd as a softphone, and it has some
> problems - the sound buffers quite a bit for some reason. Our current
> solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
> Anyone have any solutions for sip user agents or softphones, or other
> ways of communication through voip?
> Thanks,
> Tyler
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
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Re: ot: VOIP

[John covici]

Why not just forward the speakfreely ports to your box inside the
firewall?  Asterisk should work -- you have to tell it a few things if
you are behind a firewall.

on Friday 10/07/2005 Igor Gueths(igueths@lava-net.com) wrote
 > -----BEGIN PGP SIGNED MESSAGE-----
 > Hash: SHA512
 > 
 > Hi Tyler. What exactly are you doing with speexenc/speexdec and ssh to acheive realtime communication using pipes at that? I have some idea however want to make sure its right. Quite a ghetto 
 > VOIP sollution at that, however its workable given the right configuration. As for Skype, the graphical version is not accessible in Linux to my knowledge; and there's no CLI version for it. 
 > So the only option for the moment is to use it on Windblows.
 > On Thu, Oct 06, 2005 at 10:30:25PM -0700, Tyler Spivey wrote:
 > > I've been trying to figure this out for a while. I want to talk to a
 > > friend via voip, but I'm behind a firewall, so speak freely's out. I
 > > can't get asterisk going with fwd as a softphone, and it has some
 > > problems - the sound buffers quite a bit for some reason. Our current
 > > solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
 > > Anyone have any solutions for sip user agents or softphones, or other
 > > ways of communication through voip?
 > > Thanks,
 > > Tyler
 > > 
 > > 
 > > _______________________________________________
 > > Speakup mailing list
 > > Speakup@braille.uwo.ca
 > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
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 > -----END PGP SIGNATURE-----
 > 
 > _______________________________________________
 > Speakup mailing list
 > Speakup@braille.uwo.ca
 > http://speech.braille.uwo.ca/mailman/listinfo/speakup

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@ccs.covici.com

Re: ot: VOIP

[Janina Sajka]

Hi, Tyler:

I'm probably not the expert you need on this, but I wonder why you have
ssh in the mix? Do you not have access to the firewall? So that you
aren't able to forward all the ports you should be forwarding?

I would think the way to find out where the problem is would be to turn
off pieces of the chain and test. Did the latency improve? Try without
ssh. Is it better? Turn off the firewall for awhile. Did that fix
things? And, how about another codec, like ulau?

Tyler Spivey writes:
> I've been trying to figure this out for a while. I want to talk to a
> friend via voip, but I'm behind a firewall, so speak freely's out. I
> can't get asterisk going with fwd as a softphone, and it has some
> problems - the sound buffers quite a bit for some reason. Our current
> solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
> Anyone have any solutions for sip user agents or softphones, or other
> ways of communication through voip?
> Thanks,
> Tyler
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup

-- 

Janina Sajka				Phone: +1.240.715.1272
Partner, Capital Accessibility LLC	http://www.CapitalAccessibility.Com
Bringing the Owasys 22C screenless cell phone to the U.S. and Canada. Go to http://www.ScreenlessPhone.Com to learn more.

Chair, Accessibility Workgroup		Free Standards Group (FSG)
janina@freestandards.org		http://a11y.org

Re: VOIP

[Janina Sajka]

Not sure whether it's his issue or not, but Skype on Linux is an
inaccessible client. Worse yet, it's proprietary.

Tom Moore writes:
> If you can get skype to work somehow that program works with just about any 
> type of network configuration.
> 
> Tom
> 
> ----- Original Message ----- 
> From: "Tyler Spivey" <tspivey@pcdesk.net>
> To: <speakup@braille.uwo.ca>
> Sent: Friday, October 07, 2005 1:30 AM
> Subject: ot: VOIP
> 
> 
> >I've been trying to figure this out for a while. I want to talk to a
> >friend via voip, but I'm behind a firewall, so speak freely's out. I
> >can't get asterisk going with fwd as a softphone, and it has some
> >problems - the sound buffers quite a bit for some reason. Our current
> >solution (involving speexenc, speexdec, ssh and pipes) is horibly laggy.
> >Anyone have any solutions for sip user agents or softphones, or other
> >ways of communication through voip?
> >Thanks,
> >Tyler
> >
> >
> >_______________________________________________
> >Speakup mailing list
> >Speakup@braille.uwo.ca
> >http://speech.braille.uwo.ca/mailman/listinfo/speakup 
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup

-- 

Janina Sajka				Phone: +1.240.715.1272
Partner, Capital Accessibility LLC	http://www.CapitalAccessibility.Com
Bringing the Owasys 22C screenless cell phone to the U.S. and Canada. Go to http://www.ScreenlessPhone.Com to learn more.

Chair, Accessibility Workgroup		Free Standards Group (FSG)
janina@freestandards.org		http://a11y.org

Re: ot: VOIP

[Tyler Spivey]

I don't have access to the firewall, so am stuck. I'm using these
strings to chat over ssh:
./srec | ssh user@host speexdec -
and in another console:
ssh user@host ./srec | speexdec -
Where srec is a script containing:
arecord -r32000 -c2 -fs16_le - | speexenc - -
I've noticed that even ./srec | speexdec - on the localhost generates
about 3 or 4 seconds of lag right there. Even removing the buffer in
speexdec didn't help - for they weren't designed to run over pipes.

Re: ot: VOIP

[Alex Snow]

[-- Attachment #1: msg.pgp --]
[-- Type: text/plain, Size: 1243 bytes --]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

have you looked at iax? It doesn't seem to have many problems with 
firewalls.
On Fri, Oct 07, 2005 at 02:27:08PM -0700, Tyler Spivey wrote:
> I don't have access to the firewall, so am stuck. I'm using these
> strings to chat over ssh:
> ./srec | ssh user@host speexdec -
> and in another console:
> ssh user@host ./srec | speexdec -
> Where srec is a script containing:
> arecord -r32000 -c2 -fs16_le - | speexenc - -
> I've noticed that even ./srec | speexdec - on the localhost generates
> about 3 or 4 seconds of lag right there. Even removing the buffer in
> speexdec didn't help - for they weren't designed to run over pipes.
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup

- -- 
Note that if I can get you to "su and say" something just by asking,
you have a very serious security problem on your system and you should
look into it.
	-- Paul Vixie, vixie-cron 3.0.1 installation notes
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Re: ot: VOIP

[Tyler Spivey]

The problem with the existing voip solutions are that they can't work
behind firewalls (speak freely), are too laggy (speexenc/dec over ssh -
and even on localhost), take to much bandwidth (arecord piped to aplay),
or are graphical (most iax/sip phones). I don't know how to configure
asterisk as just a client or just a server, and it looks daunting.

Re: ot: VOIP

[Steve Holmes]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: RIPEMD160

Concerning Asterisk, I'm curious just how much one has to do to use it
as a client system.  I looked over the docs and like you said Tyler, it
seems daunting.  Not sure where to really start.  It almost seems like
Asterisk may be a 747 being used to haul a bag of groceries or
something.  I really can't justify $200 for a desk phone at this point
in time.  Even after setting up the computer and such, does one still
have to sign onto a VOIP service somewhere? I would think you would have
to in order to get a dial-in phone number.

On Sat, Oct 08, 2005 at 03:53:29PM -0700, Tyler Spivey wrote:
> The problem with the existing voip solutions are that they can't work
> behind firewalls (speak freely), are too laggy (speexenc/dec over ssh -
> and even on localhost), take to much bandwidth (arecord piped to aplay),
> or are graphical (most iax/sip phones). I don't know how to configure
> asterisk as just a client or just a server, and it looks daunting.
> 
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 
> 

- -- 
HolmesGrown Solutions
The best solutions for the best price!
http://ld.net/?holmesgrown
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Re: ot: VOIP

[Igor Gueths]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Hi Steve. Have a look at http://ipkall.com. They'll give you a Washington state number, and they use SIP for their protocol.
On Mon, Oct 10, 2005 at 11:06:46AM -0700, Steve Holmes wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: RIPEMD160
> 
> Concerning Asterisk, I'm curious just how much one has to do to use it
> as a client system.  I looked over the docs and like you said Tyler, it
> seems daunting.  Not sure where to really start.  It almost seems like
> Asterisk may be a 747 being used to haul a bag of groceries or
> something.  I really can't justify $200 for a desk phone at this point
> in time.  Even after setting up the computer and such, does one still
> have to sign onto a VOIP service somewhere? I would think you would have
> to in order to get a dial-in phone number.
> 
> On Sat, Oct 08, 2005 at 03:53:29PM -0700, Tyler Spivey wrote:
> > The problem with the existing voip solutions are that they can't work
> > behind firewalls (speak freely), are too laggy (speexenc/dec over ssh -
> > and even on localhost), take to much bandwidth (arecord piped to aplay),
> > or are graphical (most iax/sip phones). I don't know how to configure
> > asterisk as just a client or just a server, and it looks daunting.
> > 
> > 
> > _______________________________________________
> > Speakup mailing list
> > Speakup@braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > 
> > 
> 
> - -- 
> HolmesGrown Solutions
> The best solutions for the best price!
> http://ld.net/?holmesgrown
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> =ww7x
> -----END PGP SIGNATURE-----
> 
> _______________________________________________
> Speakup mailing list
> Speakup@braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
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Re: ot: VOIP

[John covici]

Asterisk does have sample configs you can look at -- and you would
need a voip service to use it.  For more information go to
http://www.voip-info.org -- tey have lots of stuff there.  One of the
cool things is that asterisk makes recording calls quite easy.


on Monday 10/10/2005 Igor Gueths(igueths@lava-net.com) wrote
 > -----BEGIN PGP SIGNED MESSAGE-----
 > Hash: SHA512
 > 
 > Hi Steve. Have a look at http://ipkall.com. They'll give you a Washington state number, and they use SIP for their protocol.
 > On Mon, Oct 10, 2005 at 11:06:46AM -0700, Steve Holmes wrote:
 > > -----BEGIN PGP SIGNED MESSAGE-----
 > > Hash: RIPEMD160
 > > 
 > > Concerning Asterisk, I'm curious just how much one has to do to use it
 > > as a client system.  I looked over the docs and like you said Tyler, it
 > > seems daunting.  Not sure where to really start.  It almost seems like
 > > Asterisk may be a 747 being used to haul a bag of groceries or
 > > something.  I really can't justify $200 for a desk phone at this point
 > > in time.  Even after setting up the computer and such, does one still
 > > have to sign onto a VOIP service somewhere? I would think you would have
 > > to in order to get a dial-in phone number.
 > > 
 > > On Sat, Oct 08, 2005 at 03:53:29PM -0700, Tyler Spivey wrote:
 > > > The problem with the existing voip solutions are that they can't work
 > > > behind firewalls (speak freely), are too laggy (speexenc/dec over ssh -
 > > > and even on localhost), take to much bandwidth (arecord piped to aplay),
 > > > or are graphical (most iax/sip phones). I don't know how to configure
 > > > asterisk as just a client or just a server, and it looks daunting.
 > > > 
 > > > 
 > > > _______________________________________________
 > > > Speakup mailing list
 > > > Speakup@braille.uwo.ca
 > > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
 > > > 
 > > > 
 > > 
 > > - -- 
 > > HolmesGrown Solutions
 > > The best solutions for the best price!
 > > http://ld.net/?holmesgrown
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 > > -----END PGP SIGNATURE-----
 > > 
 > > _______________________________________________
 > > Speakup mailing list
 > > Speakup@braille.uwo.ca
 > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
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 > voMGlol7YBs=
 > =5cds
 > -----END PGP SIGNATURE-----
 > 
 > _______________________________________________
 > Speakup mailing list
 > Speakup@braille.uwo.ca
 > http://speech.braille.uwo.ca/mailman/listinfo/speakup

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@ccs.covici.com

Re: ot: VOIP

[hank smith]

you can also use something called amp
a web based configuration tool
you will also find that under asteriskgui
its opensource freeware
----- Original Message ----- 
From: "John covici" <covici@ccs.covici.com>
To: "Speakup is a screen review system for Linux." <speakup@braille.uwo.ca>
Sent: Monday, October 10, 2005 11:38 AM
Subject: Re: ot: VOIP


> Asterisk does have sample configs you can look at -- and you would
> need a voip service to use it.  For more information go to
> http://www.voip-info.org -- tey have lots of stuff there.  One of the
> cool things is that asterisk makes recording calls quite easy.
>
>
> on Monday 10/10/2005 Igor Gueths(igueths@lava-net.com) wrote
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA512
> >
> > Hi Steve. Have a look at http://ipkall.com. They'll give you a 
> > Washington state number, and they use SIP for their protocol.
> > On Mon, Oct 10, 2005 at 11:06:46AM -0700, Steve Holmes wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: RIPEMD160
> > >
> > > Concerning Asterisk, I'm curious just how much one has to do to use it
> > > as a client system.  I looked over the docs and like you said Tyler, 
> > > it
> > > seems daunting.  Not sure where to really start.  It almost seems like
> > > Asterisk may be a 747 being used to haul a bag of groceries or
> > > something.  I really can't justify $200 for a desk phone at this point
> > > in time.  Even after setting up the computer and such, does one still
> > > have to sign onto a VOIP service somewhere? I would think you would 
> > > have
> > > to in order to get a dial-in phone number.
> > >
> > > On Sat, Oct 08, 2005 at 03:53:29PM -0700, Tyler Spivey wrote:
> > > > The problem with the existing voip solutions are that they can't 
> > > > work
> > > > behind firewalls (speak freely), are too laggy (speexenc/dec over 
> > > > ssh -
> > > > and even on localhost), take to much bandwidth (arecord piped to 
> > > > aplay),
> > > > or are graphical (most iax/sip phones). I don't know how to 
> > > > configure
> > > > asterisk as just a client or just a server, and it looks daunting.
> > > >
> > > >
> > > > _______________________________________________
> > > > Speakup mailing list
> > > > Speakup@braille.uwo.ca
> > > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > > >
> > > >
> > >
> > > - -- 
> > > HolmesGrown Solutions
> > > The best solutions for the best price!
> > > http://ld.net/?holmesgrown
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> > >
> > > _______________________________________________
> > > Speakup mailing list
> > > Speakup@braille.uwo.ca
> > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
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> >
> > _______________________________________________
> > Speakup mailing list
> > Speakup@braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
>
> -- 
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
>
>         John Covici
>         covici@ccs.covici.com
>
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>
>
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