Re: [asterisk-users] ISDN SS7

2010-10-25 Thread huu giang
Are these solutions reliable and stable ?.
Have you used these solutions in production ? What about its quality ?





From: Tzafrir Cohen tzafrir.co...@xorcom.com
To: asterisk-users@lists.digium.com
Sent: Tue, October 26, 2010 3:12:21 AM
Subject: Re: [asterisk-users] ISDN  SS7

On Sun, Oct 24, 2010 at 11:33:28AM -0500, Cary Fitch wrote:
 SS7 is an inter-telco system using a separate network for all signaling.
 
  
 
 You must have an SS7 network connection before anything will work.
 
  
 
 Then the T1 Spans run 24 64k audio paths.  The SS7 net exchanges the call
 data and connection info between the switches.
 
  
 
 Asterisk doesn't support SS7 natively although I believe there are one or
 more add-on vendors.

The vendors of addons such as http://svn.asterisk.org/svn/libss7 and
http://svn.asterisk.org/svn/asterisk/trunk/channels/sig_ss7.c ?

-- 
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icq#16849755              jabber:tzafrir.co...@xorcom.com
+972-50-7952406          mailto:tzafrir.co...@xorcom.com
http://www.xorcom.com  iax:gu...@local.xorcom.com/tzafrir

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Re: [asterisk-users] ISDN SS7

2010-10-25 Thread huu giang
I'm planning to use SGM with Asterisk, it is a commercial product.
What is the different between SGM and libs77 and chan_ss7  ? Should I use SGM ?





From: Tzafrir Cohen tzafrir.co...@xorcom.com
To: asterisk-users@lists.digium.com
Sent: Tue, October 26, 2010 3:12:21 AM
Subject: Re: [asterisk-users] ISDN  SS7

On Sun, Oct 24, 2010 at 11:33:28AM -0500, Cary Fitch wrote:
 SS7 is an inter-telco system using a separate network for all signaling.
 
  
 
 You must have an SS7 network connection before anything will work.
 
  
 
 Then the T1 Spans run 24 64k audio paths.  The SS7 net exchanges the call
 data and connection info between the switches.
 
  
 
 Asterisk doesn't support SS7 natively although I believe there are one or
 more add-on vendors.

The vendors of addons such as http://svn.asterisk.org/svn/libss7 and
http://svn.asterisk.org/svn/asterisk/trunk/channels/sig_ss7.c ?

-- 
              Tzafrir Cohen
icq#16849755              jabber:tzafrir.co...@xorcom.com
+972-50-7952406          mailto:tzafrir.co...@xorcom.com
http://www.xorcom.com  iax:gu...@local.xorcom.com/tzafrir

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[asterisk-users] ISDN SS7

2010-10-24 Thread huu giang
Hi all,

I'm being requested to deploy an IVR service using SS7. 
I've deployed Asterisk before using ISDN connection, but never with SS7.
Can anyone explain me the different between using ISDN and SS7 ? What need I do 
now to change to use SS7 ?.

Many thanks,
Giang



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Re: [asterisk-users] ISDN SS7

2010-10-24 Thread huu giang
Hi cary,

Can you recommend me what add-on vendors I should use ?
Can a open source solution such as chan_ss7 or libss7 support many conncurrent 
calls (for example 240 calls) ?

Thanks





From: Cary Fitch ca...@usawide.net
To: Asterisk Users Mailing List - Non-Commercial Discussion 
asterisk-users@lists.digium.com
Sent: Sun, October 24, 2010 9:33:28 AM
Subject: Re: [asterisk-users] ISDN  SS7


SS7 is an inter-telco system using a separate network for all signaling.
 
You must have an SS7 network connection before anything will work.
 
Then the T1 Spans run 24 64k audio paths.  The SS7 net exchanges the call data 
and connection info between the switches.
 
Asterisk doesn’t support SS7 natively although I believe there are one or more 
add-on vendors.
 
Cary Fitch
 
 
 



From:asterisk-users-boun...@lists.digium.com 
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of huu giang
Sent: Sunday, October 24, 2010 10:53 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] ISDN  SS7
 
Hi all,
 
I'm being requested to deploy an IVR service using SS7. 
I've deployed Asterisk before using ISDN connection, but never with SS7.
Can anyone explain me the different between using ISDN and SS7 ? What need I do 
now to change to use SS7 ?.
 
Many thanks,
Giang


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Re: [asterisk-users] ISDN SS7

2010-10-24 Thread Cary Fitch
I do not have knowledge of the SS7 vendors for Asterisk.  Using redundant
56k data channels, we handle calls via 6 DS3s (672 X 6 calls) from the PSTN
on a commercial telephone switch, with no issues at all.

 

SS7 can support any number of simultaneous calls depending only on the
bandwidth of the SS7 channels.  SS7 is always done on a redundant channel
basis since it is so important.  

 

Cary

  _  

From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of huu giang
Sent: Sunday, October 24, 2010 12:06 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] ISDN  SS7

 

Hi cary,

 

Can you recommend me what add-on vendors I should use ?

Can a open source solution such as chan_ss7 or libss7 support many
conncurrent calls (for example 240 calls) ?

 

Thanks

 

  _  

From: Cary Fitch ca...@usawide.net
To: Asterisk Users Mailing List - Non-Commercial Discussion
asterisk-users@lists.digium.com
Sent: Sun, October 24, 2010 9:33:28 AM
Subject: Re: [asterisk-users] ISDN  SS7

SS7 is an inter-telco system using a separate network for all signaling.

 

You must have an SS7 network connection before anything will work.

 

Then the T1 Spans run 24 64k audio paths.  The SS7 net exchanges the call
data and connection info between the switches.

 

Asterisk doesn't support SS7 natively although I believe there are one or
more add-on vendors.

 

Cary Fitch

 

 

 

  _  

From: asterisk-users-boun...@lists.digium.com
[mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of huu giang
Sent: Sunday, October 24, 2010 10:53 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] ISDN  SS7

 

Hi all,

 

I'm being requested to deploy an IVR service using SS7. 

I've deployed Asterisk before using ISDN connection, but never with SS7.

Can anyone explain me the different between using ISDN and SS7 ? What need I
do now to change to use SS7 ?.

 

Many thanks,

Giang

 

 

 

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[Asterisk-Users] ISDN/SS7 book?

2005-01-05 Thread Roy Sigurd Karlsbakk
hi
some time ago, I asked the list of a good book for learning ISDN and 
SS7. I don't need to know how to write a channel driver or something; I 
just want to know more about the possibilities and what's really sent 
back and forth. I was told the book ISDN and SS7: Architectures for 
Digital Signaling Networks by Uyless Black (ISBN 0132591936) was a 
good choice, but this seems sold out. Does anyone know about another 
book about the subject?

thanks
roy
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Re: [Asterisk-Users] ISDN/SS7 book?

2005-01-05 Thread Roger Schreiter
Roy Sigurd Karlsbakk schrieb:
...
Digital Signaling Networks by Uyless Black (ISBN 0132591936) was a good 
choice, but this seems sold out. Does anyone know about another book 

Hi,
since it's sold out for a longer time, I sold mine used at
amazon.
Roger.
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Re: [Asterisk-Users] ISDN/SS7 book?

2005-01-05 Thread Dorn Hetzel
On Wed, Jan 05, 2005 at 03:56:39PM +0100, Roy Sigurd Karlsbakk wrote:
 hi
 
 some time ago, I asked the list of a good book for learning ISDN and 
 SS7. I don't need to know how to write a channel driver or something; I 
 just want to know more about the possibilities and what's really sent 
 back and forth. I was told the book ISDN and SS7: Architectures for 
 Digital Signaling Networks by Uyless Black (ISBN 0132591936) was a 
 good choice, but this seems sold out. Does anyone know about another 
 book about the subject?

amazon.com links to plenty of used copies this book for under $15.00.

I just put ISDN and SS7 in the search box and it went straight to it.

-Dorn
 
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Re: [Asterisk-Users] ISDN/SS7 book?

2005-01-05 Thread Storer, Darren
Hi Roy,

On Wed, 5 Jan 2005 15:56:39 +0100, Roy Sigurd Karlsbakk
[EMAIL PROTECTED] wrote:

 I was told the book ISDN and SS7: Architectures for
 Digital Signaling Networks by Uyless Black (ISBN 0132591936) was a
 good choice, but this seems sold out. Does anyone know about another
 book about the subject?

For a book on SS7/VoIP only, Signaling System #7 by Travis Russell
is good (ISBN 0071361197) but for a good overview of the whole TDM
telephone network including SS7, R2 and ISDN, I recommend Signaling
in Telecommunication Networks by John G. van Bosse (ISBN
0-471-57377-9).

The Travis Russell book can be found very cheaply on eBay:

http://tinyurl.com/3zd87

HTH

Darren
-- 
Darren Storer
Comgate
Telco|Internet|Broadcast
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