[asterisk-users] ATA gateway with 2 ethernet interfaces

Jeff LaCoursiere jeff at jeff.net
Fri Jan 16 14:46:12 CST 2009


Agg, I felt bad about being pedantic.  How about splitting the load and 
reducing the single point of failure?  Instead of one big ATA how about a 
number of smaller ones (two port) split between your switches?

j

On Fri, 16 Jan 2009, Jeff LaCoursiere wrote:

>
>
> I would be more worried about the ATA gateway failing than the switch, as
> you have found yourself.  How about two gateways and two phones on
> everyone's desk :)
>
> j
>
> On Fri, 16 Jan 2009, Adam Moffett wrote:
>
>> I don't know of any ATA like that except the grandstream.
>>
>> The service provider grade way to do this would probably be a Cisco (or
>> similar) with a T1 interface and a channel bank to break the T1 into 24
>> FXS ports.
>>
>>
>>
>>> Hi,
>>>
>>> I'm looking for an 8+ FXS ATA gateway (at least 8 ports but preferably at most 24 ports) with 2 ethernet interfaces for network/switch redundancy.
>>>
>>> So far I've only found the Grandstream GXW4008.
>>>
>>> I've searched similar brands such as Linksys and higher-end brands such as Quintum, but they all seem to have just one NIC. So, if the switch the ATA is connected to fails then I'm out of business (at least until I replace the switch but that's usually too long for a busy system).
>>>
>>> The GXW4008 device is very useful for this scenario. It has 2 RJ45 ports (called WAN and LAN) and I've set them up in two local subnets. Not only does the ATA keep working without human intervention if one of the switches goes down but if both switches are up it can load balance between the two (simply by using DNS SRV with the same weights).
>>>
>>> Unfortunately, Grandstream in general doesn't seem to be very reliable although the latest GXW4008 firmware has proven to be quite stable in my case (previous releases were buggy).
>>>
>>> So I'm looking for alternatives to the GXW4008, even if it has to cost me more money. Does anyone know of an 8+ FXS ATA brand/model with 2 ethernet interfaces?
>>>
>>> Thanks in advance.
>>>
>>> Vieri
>>>
>>>
>>>
>>>
>>>
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>>
>>
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