[Freeswitch-users] FXO/FXS card advice

covici at ccs.covici.com covici at ccs.covici.com
Sat Sep 3 18:37:26 MSD 2011 

And how do you  flash the hook --is it some kind of built in feature
code?

Darcy <darcy at primrose.ws> wrote:

> they both handle echo suppression.  The grandstream has a program that auto 
> detects this
> and sets it up.
> The audio codes is primarily programmed using bootp while we have an auto 
> provisioning
> system for the grandstream, we only use the audiocodes where we require 
> hookflash.
> 
> Darcy
> 
> -----Original Message----- 
> From: ocset
> Sent: Saturday, September 03, 2011 9:21 AM
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] FXO/FXS card advice
> 
> Darcy
> 
> This info is very useful, especially since you have this setup running
> in production.
> 
> One question  - the two ATA devices (Grandstream & AudioCodes) are
> around the same price so could you give us some more info on why you
> would prefer the one over the other (besides the hook flash feature).
> 
> Do they handle echo cancellation or do you deploy a separate solution
> for that?
> 
> Thanks again for your help!
> 
> On 09/03/2011 08:35 PM, Darcy wrote:
> > The grandstream has hookflash timers, but I have never been able
> > to get it to work and info back from grandstream indicates is is not a
> > pending implementation.
> > For cases where I require a hook flash I use the audio codes fxo gateways.
> > I never tested it on the freeswitch, we have own ap we wrote to handle it,
> > we were doing this before we discovered freeswitch.  I know it works and 
> > it
> > is quite reliable. If I get time later today, I will give it a try on a
> > freeswitch.
> >
> > Brand: AudioCodes
> > Mfr's SKU: MP114/4O/SIP
> > VoIP SIP Gateway, 4x FXO, 1x WAN, LBR Codecs,
> >
> > Here are the options you have for using it.  they have a variety of
> > configurations, fxo/fxs combos
> > a 4 port is in the 375 range.
> >
> > Hook Flash Option
> > [HookFlashOption]
> > Supported hook-flash Transport Type (method by which hook-flash is sent 
> > and
> > received).
> > Valid options include:
> > 0 = Hook-Flash indication isn’t sent (default)
> > 1 = Send proprietary INFO message with Hook-Flash indication
> > 4 = RFC 2833
> >
> > Darcy
> >
> > -----Original Message-----
> > From: covici at ccs.covici.com
> > Sent: Saturday, September 03, 2011 7:06 AM
> > To: FreeSWITCH Users Help
> > Subject: Re: [Freeswitch-users] FXO/FXS card advice
> >
> > Does this ata support picking up call waiting while in a call from the
> > fxo?  If it were to do that, I would get one right away.  The Digium FXO
> > card I have has problems doing this with freetdm.
> >
> > Darcy<darcy at primrose.ws>  wrote:
> >
> >> Hi, for fxo's with the freeswitch I currently use:
> >>
> >> Mfr's SKU: GXW4104
> >> Brand: Grandstream
> >> 4 x FXO Gateway, 2 x LAN, 1 or 2 stage dialing, G.168 echo cancellation
> >>
> >> They work exceptionally well, easy to configure and can be auto 
> >> configured
> >> if you
> >> are into that, we are.  You can also get an 8 port version.  I pay 220 
> >> for
> >> the 4 port
> >> and 300 for the 8 port.  I have quite a few of them deployed.
> >>
> >> Darcy
> >>
> >>
> >> -----Original Message-----
> >> From: ocset
> >> Sent: Saturday, September 03, 2011 1:38 AM
> >> To: freeswitch-users at lists.freeswitch.org
> >> Subject: Re: [Freeswitch-users] FXO/FXS card advice
> >>
> >> Thank you all for your replies.
> >>
> >> Anthony, you reply has left me uncertain again. All of the ATA's listed
> >> here (wiki.freeswitch.org/wiki/Interop_List) seem to have some
> >> limitations and bugs which have to worked around.
> >>
> >> Your reply suggests that buying a OpenVox A400P04 card (currently only
> >> $219 for 4 FXO's) would be more difficult to install and maintain that 4
> >> ATA's. I would have thought that the FXS/FXO cards were engineered to
> >> work with Freeswitch/Asterisk etc. without limitations like caller-id
> >> not working or call-transfer not working as expected.
> >>
> >> I can see the benefit of an ATA since I can add them on as needed with
> >> little or no hassle (except for the large power board to plug them all
> >> into:-)
> >>
> >> I have only just got the SPA3102 receiving incoming calls and I am no
> >> expert in either solution but would have thought that a 4 port FXO card
> >> would be easier as it is made to purpose?
> >>
> >> ps. the PAP2T seems to be one of the better Linksys ATA's from the list
> >> of features that work?
> >>
> >> Thanks again for all your help and suggestions.
> >>
> >> On 09/03/2011 05:54 AM, Anthony Minessale wrote:
> >>> If you are doing FXO and you already have an ATA working that might be
> >>> as good as you'll get.
> >>> Its nice to not have to deal with TDM if you can help it and most
> >>> analog ATA are cheap and effective and much less painful to deal with
> >>> than analog cards.
> >>>
> >>>
> >>>
> >>> On Fri, Sep 2, 2011 at 8:39 AM, Saugort Dario Garcia Tovar
> >>> <dgarcia at anew.com.ve>   wrote:
> >>>> One think you should consider also, is the FXO/FXS board that you will
> >>>> buy,
> >>>> you have to check compatibility with your server/pc.
> >>>>
> >>>> For example openvox models A800P and A1200P has an issue with
> >>>> motherboard
> >>>> based on chipset H55 for example.
> >>>>
> >>>>
> >>>> On 9/1/2011 9:59 PM, curriegrad2004 wrote:
> >>>>
> >>>> In the following order, most people usually recommend:
> >>>>
> >>>> 1. Sangoma
> >>>> 2. Diginum/OpenVox
> >>>> 3. Building your own Tormenta Zapatel Card (Only for serious
> >>>> engineering types of people) from COTS
> >>>>
> >>>> On Thu, Sep 1, 2011 at 8:50 AM, Michel Daggelinckx
> >>>> <michel.daggelinckx at gmail.com>   wrote:
> >>>>
> >>>> Digium and sangoma cards are high quality and work greast with FS
> >>>>
> >>>> Michel
> >>>>
> >>>>
> >>>> On Thu, Sep 1, 2011 at 5:24 PM, ocset<ocset at the800group.com>   wrote:
> >>>>
> >>>> Hi
> >>>>
> >>>> As a new member of the forum, I am curious to know your experience with
> >>>> FXO/FXS cards.
> >>>>
> >>>> I have a SPA3102 and have configured it to work with FS, but it feels a
> >>>> bit like I am trying to make a square peg fit a round hole. I am hoping
> >>>> to implement FS at a business which currently has 4 POTS lines and
> >>>> would
> >>>> prefer to use an internal IDE card for the job of integrating these
> >>>> phone lines into FreeSwitch.
> >>>>
> >>>> Has anyone got some advice on which cards I should be looking at that
> >>>> just "work" with FS? What about echo cancellation - is that something I
> >>>> should just cater for or does it depend on the client situation? What
> >>>> about software cancellation?
> >>>>
> >>>> This seems like one of those times when too much choice is a bad thing
> >>>> and I need some guidance on what has worked for you.
> >>>>
> >>>> All advice would be greatly appreciated.
> >>>>
> >>>> Regards
> >>>>
> >>>>
> >>>> FreeSWITCH-users mailing list
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> >>>> --
> >>>> Atentamente,
> >>>> Dario García
> >>>> Consultor.
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> >>>
> >>
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-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici at ccs.covici.com

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