[Asterisk-Users] ISP connection to the PSTN using Asterisk

[Hunter Cook]

Aisling-

Yes, I've been wondering about this part of the system too. I'm at a 
small local ISP, and have a few customers currently connecting through 
me to some of the SIP providers (Vonage, NuFone, etc.) but have been 
thinking about putting up my own PSTN gateway. It just seems like a 
really big hassle though, working out the various agreements and getting 
PRI's and all that. So I was looking for an easier way, and stumbled 
across this:

http://www.business.att.com/default/index.jsp?pageid=gc_index&branchid=gc

...AT&T is one of our backbone providers, so it seems like a great idea 
to me. If I'm reading this (sparse) documentation right, it seems I can 
just set up my asterisk server to send H.323 to them and they will worry 
about the routing from there. Right? Of course, I don't know what their 
rates are looking like, but I thought I'd ask everyone around here...has 
anybody used this service, and could share their experience? Or can 
anybody see potential pitfalls with doing things this way?

Thanks

Hunter.

Ashling O'Driscoll wrote:

>Hi all,
>
>Could someone let me know the most common way that an Internet ISP
>would allow customers access to the PSTN?? Do they buy multiple fxo
>cards such as the TDM400P and rent multiple lines from a larger
>provider?? 
>
>Would the best way be to connect to a third party voice/pstn
>gateway?? Is that simply a matter of forwarding all sip traffic
>destined for the pstn to another provider with a gateway and then
>they have to worry about the number of lines etc??And if that is the
>case, I presume no extra hardware is required?
>
>Thanks,
>Aisling.
>
>
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