[VoIP] Cards for Asterisk

[Lee Spenadel]

If you're going to spend that kind of money for FXS and FXO ports, why not
consider a T1 Channel Bank.  If done wisely, you can build it out at roughly
$25/port. 

Lee

-----Original Message-----
From: voip-bounces at ckts.info [mailto:voip-bounces at ckts.info] On Behalf Of
Martin Harriss
Sent: Thursday, March 22, 2007 8:30 PM
To: Voice Over IP Tandem for Analog Switches
Subject: Re: [VoIP] Cards for Asterisk

Not a card, but I see that Grandstream has recently released a 4-port 
FXS ATA that has a street price of about $150.  Not quite as cheap as 
the Rotomola, but more dense space-wise, which may appeal to some.  They 
also have a 4-port FXO that has a street price of about $250, or about 
$62 per port.  There are also 8-port versions of both of these.  I have 
no experience with any of these devices, although from what I read the 
quality of the Grandstream stuff seems to be a bit variable.

I should also mention that I've had good experiences with the Sangoma 
cards, for those of you whose PC's are too old to take the Digium card. 
   Price is about the same as DIgium.  Only real drawback (and it's a 
minor one) is that the software install for the Sangomas is a bit messy.

Martin

David Josephson wrote:
>> Jayson Smith wrote:
>>   
>>> I've sort of decided to try playing around with actual boards in my
Asterisk
>>> system, for hooking up phones. I don't want to put a ton of money into
this.
>>> What's a good, cheap, card that would let me hook up a few phones?
>>>     
> As Russ mentioned, there are no cheap FXS cards. The X100P FXO cards are 
> cheap only because they are really Intel voice modem boards and have 
> nothing to do with Digium or Asterisk (except that someone figured out 
> that they could be used as trunk cards). For one to four ports, the 400P 
> type cards are the cheapest. Otherwise you need to spend about $3-500 
> for a T-1 card and $100-200 for a channel bank.
> 
> There are plenty of inexpensive SIP ATA's that work fine, particularly 
> if they are on the same subnet with the Asterisk box. voip-supply has 
> Motorola VT1005's for $50, that's $25 a port and I figure that's hard to 
> beat. The Sipura SPA-2000's are also reliable.
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