Hi Asterisk user-list,
I know this sort of mail is frowned upon and I would not normally send
it, but as it is very topical to the current thread, I hope it may have
value for some.
Xietel is in the field testing phase of a modular channel bank that
would be ideal for this application – 100's of existing points that
has to be converted to asterisk.
Basic features:
Fxo+Fxs ports.
Scalable from 4 to 64 ports per channel bank.
Wall mount unit
Compact 300mm x 200mm x 100mm deep.
TDMoe protocol
AIX protocol planned
1000m extension cable length.
Benefits
*Locate 100's of ports in one location on legacy cable.
*Install new banks at point of use –
use single cat 5 link cable instead of 20/50 pairs cat3.
*Reduce lightning risk for outdoor extensions by
using Fiber optic between buildings.
Requirements.
*Use a sperate - dedicated TDMoE network.
Expected pricing
$2395 US for 48 ports
$1395 US for 24 ports
Availability
Q1 2009
Regards
Lafras
www.xietel.com
Vinícius Fontes wrote:
> I installed a few Spidermux units on some clients. It works fine, but I had
> some trouble with cordless analog phones connected to it. The ring voltage is
> pretty low and that caused some phones to not ring at all. And the ring
> voltage isn't configurable.
>
> Aside from that, it is a good product. Too bad it's the only TDMoE channel
> bank (that I know of, at least).
>
> Atenciosamente,
>
> Vinícius Fontes
> Núcleo de Tecnologias Convergentes
> Canall Tecnologia em Comunicações
> Passo Fundo - RS - Brasil
> +55 54 2104-7000
>
> Convergent Technologies Core
> Canall Tecnologia em Comunicações
> Passo Fundo - RS - Brazil
> +55 54 2104-7000
>
> ----- "Vieri" <[EMAIL PROTECTED]> escreveu:
>
>> Thanks for the feedback.
>>
>> I'm particularly curious to know if anyone has tried a TDMoE channel
>> bank. Spidermux seems to be one of the few vendors available. It's the
>> closest I can get to an "ATA"-like device (ie. no special hardware,
>> just ethernet) and it also offers an easy failover mechanism to
>> another Asterisk server on the LAN.
>> So I'm wondering why TDMoE channel banks aren't that popular (am I
>> wrong?)? Is Asterisk's native TDMoE implemntation unreliable?
>> Has anyone tested Spidermux or other TDMoE channel bank manufacturer?
>>
>> "Standard" channel banks become expensive when one has to buy the
>> T1/E1 PCI cards on the Asterisk server. Since most channel banks
>> interface with T1 (24 channels) and if I have about 350 analog phones
>> to connect then I'd need around 15 T1s (that's about 4 quad-pri T1
>> cards which of course require 4 PCI slots and a fair amount of cash).
>>
>> Xorcom's Astribank is something in-between. It doesn't require PCI
>> slots or T1 cards but connects via USB. Just like T1 channel banks,
>> Astribanks don't seem to offer an easy failover mechanism like in the
>> TDMoE solution (correct me if I'm wrong). However, a potentially
>> higher number of astribanks can be "cheaply" connected to a single
>> Asterisk server via several USB ports. I'm wondering how many 24-FXS
>> astribanks can be connected via USB 2.0 to a single 4-USB-port
>> server.
>>
>> Of the three solutions I'd try the TDMoE device but I'm wondering why
>> noone in this thread even mentioned the protocol.
>>
>>
>>
>>
>>
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