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[Freeswitch-users] Contemplating a jump from Asterisk to Freeswitch


 
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geoffreymina at gmail.com
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PostPosted: Sun Jul 05, 2009 5:39 pm    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

Hello,I have been reading through the on-line info as well as some reviews of the FreeSwitch platform. I am fairly convinced at this point that FreeSwitch is at least something I need to carefully look into. Our company utilizes asterisk to support our SaaS ACD/VPD/IVR platform. We currently support many thousands of concurrent agents (inbound and outbound). I have spent a lot of time trouble shooting bugs and working through 'issues' with asterisk. While I have tamed the beast, I am still not thrilled with the performance, nor am I very excited about the direction the project appears to be heading. It seems like every time a 'fix' is committed to SVN, it breaks something else. It's kind of like the wild-wild-west over there... and it certainly doesn't give me the warm/fuzzies when thinking about the future of my company.One of the benefits of our architecture is that our business logic is completely abstracted from the asterisk system. We use a combination of FastAGI and AMI to control channels on the asterisk server. We have a Java based server which interfaces with the higher level call routing engines. It looks to me like the Mod_event_socket would probably satisfy my requirements for controlling the calls via an external process, although it doesn't look as cut/dry as the FastAGI model. I haven't seen anything which would let me know the equivalent of the FastAGI 'script' being requested.The other thing I haven't seen is how to dynamically create conferences on the fly and redirect channels into them. We use app_conference on asterisk to avoid the ztdummy issue. Once the higher level intelligence engine determines two channels need to speak with each other, they are both redirected via AMI Redirect into a dynamic Conference created just for that particular call.Also - what is the status of call progress on FreeSwitch? Some things that are important to me are answering machine detection as well as detecting SIT intercept tones in the early media stream... any love here?I have a ton more questions, but this seems like a good start.Thanks!Geoff
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dave at 3c.co.uk
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PostPosted: Sun Jul 05, 2009 6:23 pm    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

Hi Geoff,

Quote:
One of the benefits of our architecture is that our business logic is
completely abstracted from the asterisk system. We use a combination
of FastAGI and AMI to control channels on the asterisk server. We have
a Java based server which interfaces with the higher level call
routing engines. It looks to me like the Mod_event_socket would
probably satisfy my requirements for controlling the calls via an
external process, although it doesn't look as cut/dry as the FastAGI
model. I haven't seen anything which would let me know the equivalent
of the FastAGI 'script' being requested.

Three possibilities spring to mind:-
* have each distinct 'script' listen on a different socket;
* set a variable in the dialplan to a script name or other identifier
before making the outbound socket connection;
* have your event socket handler work out what to do itself based on the
dialled number, or whatever other criteria you'd use.

Quote:
The other thing I haven't seen is how to dynamically create
conferences on the fly and redirect channels into them. We use
app_conference on asterisk to avoid the ztdummy issue. Once the higher
level intelligence engine determines two channels need to speak with
each other, they are both redirected via AMI Redirect into a dynamic
Conference created just for that particular call.

Choose a (unique) conference ID, and execute
conference <id>
on each of the channels.

Quote:
Also - what is the status of call progress on FreeSwitch? Some things
that are important to me are answering machine detection as well as
detecting SIT intercept tones in the early media stream... any love
here?

Not sure on these, but I'm *am* sure that someone else will be Wink

Cheers --

Dave

--
David Knell, Director, 3C Limited
T: +44 20 3298 2000
E: dave@3c.co.uk
W: http://www.3c.co.uk


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kristian.kielhofner at...
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PostPosted: Sun Jul 05, 2009 8:30 pm    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

On Sun, Jul 5, 2009 at 6:29 PM, <geoffreymina@gmail.com> wrote:
Quote:

Also - what is the status of call progress on FreeSwitch? Some things that
are important to me are answering machine detection as well as detecting SIT
intercept tones in the early media stream... any love here?


Not my specialty but I'll try...

Answering machine detection can be done with mod_vmd:

http://wiki.freeswitch.org/wiki/Mod_vmd

Tone detection:

http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_tone_detect

--
Kristian Kielhofner
http://www.astlinux.org
http://blog.krisk.org
http://www.star2star.com
http://www.submityoursip.com
http://www.voalte.com

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msc at freeswitch.org
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PostPosted: Mon Jul 06, 2009 12:47 am    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

A few questions for you if I may:
FreeSWITCH doesn't yet have a GUI -are you okay with XML config files?

Do you have TDM circuits for your outbound traffic or are you using a
SIP provider?

BTW, mod_vmd is used to detect an answering machine beep, but it does
not detect human vs. machine. For that you'll need mod_amd which isn't
free but is available at a reasonable price. (email consulting@FreeSWITCH.org
)

FYI, detecting SIT tones is always a challenge if you telco forces you
to listen inband. You'll need a little processing power and the
tone_detect app. I've done it on a PRI and cheap Tormenta 2 clone and
it actually works pretty well.

-MC

Sent from my iPhone

On Jul 5, 2009, at 3:29 PM, geoffreymina@gmail.com wrote:

Quote:
Hello,
I have been reading through the on-line info as well as some reviews
of the FreeSwitch platform. I am fairly convinced at this point that
FreeSwitch is at least something I need to carefully look into.

Our company utilizes asterisk to support our SaaS ACD/VPD/IVR
platform. We currently support many thousands of concurrent agents
(inbound and outbound). I have spent a lot of time trouble shooting
bugs and working through 'issues' with asterisk. While I have tamed
the beast, I am still not thrilled with the performance, nor am I
very excited about the direction the project appears to be heading.
It seems like every time a 'fix' is committed to SVN, it breaks
something else. It's kind of like the wild-wild-west over there...
and it certainly doesn't give me the warm/fuzzies when thinking
about the future of my company.

One of the benefits of our architecture is that our business logic
is completely abstracted from the asterisk system. We use a
combination of FastAGI and AMI to control channels on the asterisk
server. We have a Java based server which interfaces with the higher
level call routing engines. It looks to me like the Mod_event_socket
would probably satisfy my requirements for controlling the calls via
an external process, although it doesn't look as cut/dry as the
FastAGI model. I haven't seen anything which would let me know the
equivalent of the FastAGI 'script' being requested.

The other thing I haven't seen is how to dynamically create
conferences on the fly and redirect channels into them. We use
app_conference on asterisk to avoid the ztdummy issue. Once the
higher level intelligence engine determines two channels need to
speak with each other, they are both redirected via AMI Redirect
into a dynamic Conference created just for that particular call.

Also - what is the status of call progress on FreeSwitch? Some
things that are important to me are answering machine detection as
well as detecting SIT intercept tones in the early media stream...
any love here?

I have a ton more questions, but this seems like a good start.

Thanks!
Geoff
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geoffreymina at gmail.com
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PostPosted: Mon Jul 06, 2009 7:16 am    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

I love the fact that there is no GUI. I have never used any GUI for
asterisk, so that is certainly not a problem. XML is fine with me.

We are a pure VoIP environment. I have many wholesale SIP providers
whom I interface with.

AMD and SIT detection are very important to me. Because of that, I am
exploring a relationship with Sangoma for their SIP based CPD product
to satisfy those requirements. There are a couple things which I
don't like... namely that it only runs on windows, but I may be able
to ignore that for the time being.

thanks.

On Mon, Jul 6, 2009 at 1:43 AM, Michael S Collins<msc@freeswitch.org> wrote:
Quote:
A few questions for you if I may:
FreeSWITCH doesn't yet have a GUI -are you okay with XML config files?

Do you have TDM circuits for your outbound traffic or are you using a
SIP provider?

BTW, mod_vmd is used to detect an answering machine beep, but it does
not detect human vs. machine. For that you'll need mod_amd which isn't
free but is available at a reasonable price. (email consulting@FreeSWITCH.org
)

FYI, detecting SIT tones is always a challenge if you telco forces you
to listen inband. You'll need a little processing power and the
tone_detect app. I've done it on a PRI and cheap Tormenta 2 clone and
it actually works pretty well.

-MC

Sent from my iPhone

On Jul 5, 2009, at 3:29 PM, geoffreymina@gmail.com wrote:

Quote:
Hello,
I have been reading through the on-line info as well as some reviews
of the FreeSwitch platform. I am fairly convinced at this point that
FreeSwitch is at least something I need to carefully look into.

Our company utilizes asterisk to support our SaaS ACD/VPD/IVR
platform. We currently support many thousands of concurrent agents
(inbound and outbound). I have spent a lot of time trouble shooting
bugs and working through 'issues' with asterisk. While I have tamed
the beast, I am still not thrilled with the performance, nor am I
very excited about the direction the project appears to be heading.
It seems like every time a 'fix' is committed to SVN, it breaks
something else. It's kind of like the wild-wild-west over there...
and it certainly doesn't give me the warm/fuzzies when thinking
about the future of my company.

One of the benefits of our architecture is that our business logic
is completely abstracted from the asterisk system. We use a
combination of FastAGI and AMI to control channels on the asterisk
server. We have a Java based server which interfaces with the higher
level call routing engines. It looks to me like the Mod_event_socket
would probably satisfy my requirements for controlling the calls via
an external process, although it doesn't look as cut/dry as the
FastAGI model. I haven't seen anything which would let me know the
equivalent of the FastAGI 'script' being requested.

The other thing I haven't seen is how to dynamically create
conferences on the fly and redirect channels into them. We use
app_conference on asterisk to avoid the ztdummy issue.  Once the
higher level intelligence engine determines two channels need to
speak with each other, they are both redirected via AMI Redirect
into a dynamic Conference created just for that particular call.

Also - what is the status of call progress on FreeSwitch? Some
things that are important to me are answering machine detection as
well as detecting SIT intercept tones in the early media stream...
any love here?

I have a ton more questions, but this seems like a good start.

Thanks!
Geoff
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http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
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anthony.minessale at g...
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PostPosted: Mon Jul 06, 2009 10:51 am    Post subject: [Freeswitch-users] Contemplating a jump from Asterisk to Fre Reply with quote

The best way to describe event socket to someone familiar with asterisk is that its a combination of AGI and AMI which can be used bidirectional.

You can:

connect one inbound socket from a client and control every call at once using events.
connect one inbound socket then latch on to an existing single call and control it.
connect one outbound socket to your application per call and control it.

In all cases you have the option for full control which allows you to gain access to log, event, and FSAPI commands (the equiv of cli commands in asterisk)
You can have your script listen on a dedicated port or use the ivrd example which is a daemon written in C that gets the desired script name from
a channel variable and executes it on the remote end of the socket using STDIN/STDOUT as the socket.
 
The other big difference besides that the single protocol does all these things is that we have a BSD licensed client library in our source tree called ESL.
its in the libs/esl directory.  This can be use to write clients in C or several other higher level languages using swig.  fs_cli that is built with FS is written using
ESL.  Perl, Ruby, Python, Lua, PHP are all working and there is the beginning of a JAVA one which is stubbed out but just needs a little bit of work to finish it off
and you could have that too.



On Sun, Jul 5, 2009 at 5:29 PM, <geoffreymina@gmail.com (geoffreymina@gmail.com)> wrote:
Quote:
Hello,
I have been reading through the on-line info as well as some reviews of the FreeSwitch platform. I am fairly convinced at this point that FreeSwitch is at least something I need to carefully look into.

Our company utilizes asterisk to support our SaaS ACD/VPD/IVR platform. We currently support many thousands of concurrent agents (inbound and outbound). I have spent a lot of time trouble shooting bugs and working through 'issues' with asterisk. While I have tamed the beast, I am still not thrilled with the performance, nor am I very excited about the direction the project appears to be heading. It seems like every time a 'fix' is committed to SVN, it breaks something else. It's kind of like the wild-wild-west over there... and it certainly doesn't give me the warm/fuzzies when thinking about the future of my company.

One of the benefits of our architecture is that our business logic is completely abstracted from the asterisk system. We use a combination of FastAGI and AMI to control channels on the asterisk server. We have a Java based server which interfaces with the higher level call routing engines. It looks to me like the Mod_event_socket would probably satisfy my requirements for controlling the calls via an external process, although it doesn't look as cut/dry as the FastAGI model. I haven't seen anything which would let me know the equivalent of the FastAGI 'script' being requested.

The other thing I haven't seen is how to dynamically create conferences on the fly and redirect channels into them. We use app_conference on asterisk to avoid the ztdummy issue. Once the higher level intelligence engine determines two channels need to speak with each other, they are both redirected via AMI Redirect into a dynamic Conference created just for that particular call.

Also - what is the status of call progress on FreeSwitch? Some things that are important to me are answering machine detection as well as detecting SIT intercept tones in the early media stream... any love here?

I have a ton more questions, but this seems like a good start.

Thanks!
Geoff
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--
Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
ClueCon http://www.cluecon.com/

AIM: anthm
MSN:anthony_minessale@hotmail.com ([email]MSN%3Aanthony_minessale@hotmail.com[/email])
GTALK/JABBER/PAYPAL:anthony.minessale@gmail.com ([email]PAYPAL%3Aanthony.minessale@gmail.com[/email])
IRC: irc.freenode.net #freeswitch

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