[asterisk-users] high capacity analog <-> sip gateway

[jon pounder]

On 10/25/2012 05:01 PM, Steve Totaro wrote:
> That is just silly.  You mean to say that the Adtran and the Adit
> units are not as reliable as these new devices.  No way.

I have had channel banks fail yes, and I stick by my assertion that 
failing a small $50 box is a lot less painful on the wallet and users 
than a channel bank with most of the extensions on it, this changes as 
the scale goes up though.

I would only use a channel bank where the size can justify at least 3 of 
them, and I would never use a T1 based one again I would use the 
ethernet to FXS ones.

I use a combination of analog and voip phones and there are various 
reasons for each being the type it is, one solution doesn't always fit 
everything, even within a single system.
>
> Get Adtrans, buy a four port T1 card or even better get the redfone
> device and do HA Linux between to boxes, you have immediate failover.
> http://www.red-fone.com/products-new/80.html
>
> I seriously doubt any product on the market is as solid, tried, and
> true as the traditional channel bank.
>
> You can pickup these channel banks very cheap used, and often find
> them in telco closets that have been abandoned.
>
> Thanks,
> Steve Totaro
>
> On Thu, Oct 25, 2012 at 4:29 PM, jon pounder <jonp at inline.net> wrote:
>> On 10/25/2012 04:21 PM, Justin Killen wrote:
>>
>> just talking in general terms here I have found this sort of hardware is not
>> the most reliable, and the more physical devices you spread it across the
>> more fault tolerant you are of a single fault taking down a big chunk of
>> your users.
>>
>> I wouldn't go more than a 24port device and for 100 users I would get 5 or 6
>> of them depending on the exact numbers and have one as a hot spare that can
>> just be swapped in quickly if one of the others dies.
>>
>> my analog stuff is all on spaxxxx or pap2t right now and I find that working
>> out better for me than T1 card and channel bank was in the past, but the
>> cabling is not as neat and tidy. Its a lot easier pill to swallow when 2
>> extensions die than 24 for me.
>>
>>
>> I’m looking for an fxs <-> sip gateway/router/switch for about 100 existing
>> analog phones.  I’d like to get this done cheaply, but I want to make sure
>> that whatever we buy works well with asterisk as well.  As far as I can
>> tell, digium make no such device.  The only ones I’ve been able to find with
>> a 48 port capacity are these two:
>>
>>
>>
>> Sangoma Vega 5000 50 FXS + 2 FXO Gateway
>> (http://www.voipsupply.com/sangoma-vega-5000-50fxo-2fxs)
>>
>> Realtone WSS120 VoIP Gateway
>> (http://www.realtonetech.com/product/voip-gateways/86-wss120-series-voip-gateways.html#description)
>>
>>
>>
>>
>>
>> Does anyone have any experience with either of these products/vendors, or
>> any suggestions for a different piece of hardware?
>>
>>
>>
>> Thanks
>>
>> -Justin
>>
>>
>>
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