RE: [Asterisk-Users] Conference solution for 100+ users

2005-04-20 Thread Paul Hales
We have found a new thing called 'the pub'

It even provides beverages. 
Trust me, you can't find a program that can do that! 

PaulH

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Sergio Veltri
Sent: Wednesday, 20 April 2005 3:37 AM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] Conference solution for 100+ users

Hi List,

I am looking for some advice. I need to come up with a conference solution that 
will allow users to join mainly to listen to a guy talk about a product for an 
hour. My main concern is the client side. I need people from within firewalls 
to be able to join the conference with speakers built-in their laptops or 
computers. All I know is that Skype works in most of the customers this guy 
will be addressing. I am considering the following options:

1-Skype-like softphone for *. is there any?
2-Just do audio streaming and have the customers use windows media player. (I 
dont know how to do this) 3-Use some kind of Softphone with VPN...
4- Do Softphone---Port 80--- SER---Asterisk w/meetme.

Whatever solution I come up with MUST allow anybody to listen in assuming 
nobody can change firewalls.

Any one has already done this? Any feedback will be much appreciated.

Thanks,

Sergio
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Re: [Asterisk-Users] Conference solution for 100+ users

2005-04-20 Thread Stefan Märkle
 Hi List,

Hi!

 1-Skype-like softphone for *. is there any?

None that I know of. But IAX isn't bad in most of the firewalled environments, 
give it a try. It only has to get a udp socket open for an outbound connection 
(may well be NAT-ed) and to receive the answer packets back.

 2-Just do audio streaming and have the customers use windows 
 media player. (I dont know how to do this)

This would mean exactly the same prerequisites as an iax-based solution as the 
media stream (usually udp) has to be received by the media players. One 
technique that circumvents this is using HTTP/1.1 streaming which may or may 
not work through an application level http-proxy.

 3-Use some kind of Softphone with VPN...

Again, if you are able to do an outside connect through the firewall (as with 
openvpn which uses udp or with ipsec which uses ip), you can also do some other 
things by this means (e.g. iax).

 4- Do Softphone---Port 80--- SER---Asterisk w/meetme.

Only reason for this might be an application level http-proxy that allows for 
outbound 'connect' calls, since I don't think you want to encapsule SIP in 
HTTP, do you?.
And for the outbound 'connect' method, port 443 might be a better choice for 
your port number, but you have to choose a protocol that uses TCP and only one 
single socket for this to work.
Maybe using iax over some sort of UDP-in-TCP tunnel could work (like zeebeedee).


 Whatever solution I come up with MUST allow anybody to listen 
 in assuming nobody can change firewalls.
 Any one has already done this? Any feedback will be much appreciated.

We're working on similar problems, so if you come up with a perfect solution, 
please let me know.
Also, if you are interested in a commercial solution feel free to contact me 
off-list.

Stefan Märkle


-- 
Stefan Märkle   Netpioneer GmbH
Head Software Architect Beiertheimer Allee 18
[EMAIL PROTECTED]  76137 Karlsruhe, Germany
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Re: [Asterisk-Users] Conference solution for 100+ users

2005-04-20 Thread Sergio Veltri
Thanks Vamsi for your feedback.

I would love to do it with Asterisk since I can do a lot more eventually.

I did try a couple of iax2 clients and I couldnt go past the FW in a
particular customer.

Thanks for your email.

Regards,

Sergio,

Date: Wed, 20 Apr 2005 09:28:24 +0530
From: Vamsi Pottangi [EMAIL PROTECTED]
Subject: Re: [Asterisk-Users] Conference solution for 100+ users
To: [EMAIL PROTECTED], Asterisk Users Mailing List -
   Non-Commercial Discussion   asterisk-users@lists.digium.com
Message-ID: [EMAIL PROTECTED]
Content-Type: text/plain; charset=ISO-8859-1

Since all would be listening, it's good to have a web streaming.
Users could just use the media players rather than going for new
softphones.
This mailing list is not the appropriate one to discuss the above.

But if you want to consider the asterisk solution, we can very
well have the audience to participate in conference say for QA
session. You could could use IAX2 clients behind the firewalls.

~Vamsi
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Re: [Asterisk-Users] Conference solution for 100+ users

2005-04-20 Thread Sergio Veltri
Stefan,

Thanks for your feedback. I am testing everything to find the right
solution. It is an interesting project since the listeners will vary
everytime. Most of them are corporate users and thus unable to touch
the corporate FW.

I found a large international corporation that allows me to run tests
from within their networks but without touching the FW. So that is
good. So far none of the iax2 clients worked. The only thing that
works is Skype and the MSN only for internal voice. They cant use MSN
to speak with other MSN users outside their network. So I assume they
either opened the Skype ports or Skype just happened to work.

I will start playing with streaming audio and see what happens. My
only concern here is that streaming usually does a little buffering
before playing the audio. This might be an issue since they already
have a chat system for questions an answers. So if someone asks a
question via chat the speaker might get it when he is on another
topic.

But I would love to make Asterisk work. I am not giving up on it and
that's why Im on this list.

Take care and I will let you know how it turns out and / or if I need
help with a solution.

Thanks againg

Sergio Veltri
www.pointhorizon.com



Message: 25
Date: Wed, 20 Apr 2005 14:06:18 +0200
From: Stefan M?rkle [EMAIL PROTECTED]
Subject: Re: [Asterisk-Users] Conference solution for 100+ users
To: asterisk-users@lists.digium.com
Message-ID:
   [EMAIL PROTECTED]
Content-Type: text/plain;   charset=iso-8859-1

 Hi List,

Hi!

 1-Skype-like softphone for *. is there any?

None that I know of. But IAX isn't bad in most of the firewalled
environments, give it a try. It only has to get a udp socket open for
an outbound connection (may well be NAT-ed) and to receive the answer
packets back.

 2-Just do audio streaming and have the customers use windows
 media player. (I dont know how to do this)

This would mean exactly the same prerequisites as an iax-based
solution as the media stream (usually udp) has to be received by the
media players. One technique that circumvents this is using HTTP/1.1
streaming which may or may not work through an application level
http-proxy.

 3-Use some kind of Softphone with VPN...

Again, if you are able to do an outside connect through the firewall
(as with openvpn which uses udp or with ipsec which uses ip), you can
also do some other things by this means (e.g. iax).

 4- Do Softphone---Port 80--- SER---Asterisk w/meetme.

Only reason for this might be an application level http-proxy that
allows for outbound 'connect' calls, since I don't think you want to
encapsule SIP in HTTP, do you?.
And for the outbound 'connect' method, port 443 might be a better
choice for your port number, but you have to choose a protocol that
uses TCP and only one single socket for this to work.
Maybe using iax over some sort of UDP-in-TCP tunnel could work (like zeebeedee).

 Whatever solution I come up with MUST allow anybody to listen
 in assuming nobody can change firewalls.
 Any one has already done this? Any feedback will be much appreciated.

We're working on similar problems, so if you come up with a perfect
solution, please let me know.
Also, if you are interested in a commercial solution feel free to
contact me off-list.

Stefan Märkle

--
Stefan Märkle   Netpioneer GmbH
Head Software Architect Beiertheimer Allee 18
[EMAIL PROTECTED]  76137 Karlsruhe, Germany
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Re: [Asterisk-Users] Conference solution for 100+ users

2005-04-19 Thread Vamsi Pottangi
Since all would be listening, it's good to have a web streaming.
Users could just use the media players rather than going for new 
softphones.
This mailing list is not the appropriate one to discuss the above.

But if you want to consider the asterisk solution, we can very
well have the audience to participate in conference say for QA
session. You could could use IAX2 clients behind the firewalls.

~Vamsi

On 4/19/05, Sergio Veltri [EMAIL PROTECTED] wrote:
 Hi List,
 
 I am looking for some advice. I need to come up with a conference
 solution that will allow users to join mainly to listen to a guy talk
 about a product for an hour. My main concern is the client side. I
 need people from within firewalls to be able to join the conference
 with speakers built-in their laptops or computers. All I know is that
 Skype works in most of the customers this guy will be addressing. I am
 considering the following options:
 
 1-Skype-like softphone for *. is there any?
 2-Just do audio streaming and have the customers use windows media
 player. (I dont know how to do this)
 3-Use some kind of Softphone with VPN...
 4- Do Softphone---Port 80--- SER---Asterisk w/meetme.
 
 Whatever solution I come up with MUST allow anybody to listen in
 assuming nobody can change firewalls.
 
 Any one has already done this? Any feedback will be much appreciated.
 
 Thanks,
 
 Sergio
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