[Asterisk-biz] carrier class names

Ted Wallingford bitterted at mac.com
Wed Nov 24 10:49:32 MST 2004

Does PSAP stand for public service access point ?


Ted Wallingford
IP Phone: 440-328-4141
FAX: 270-675-9763
O'Reilly Weblog: http://www.oreillynet.com/pub/au/1959

On Nov 23, 2004, at 9:11 PM, Kevin P. Fleming wrote:

> alex at pilosoft.com wrote:
>> ILECs connect PSAPs to the PSTN through the tandem. Sometimes, that 
>> tandem
>> is dedicated to serving that PSAP. Nevertheless, you *can* connect to 
>> yourself if you negotiate with each PSAP [that is rarely done]. ILECs 
>> provide PSAP connectivity as a product.
> And unfortunately in some parts of the country that "product" is 
> getting hard to purchase (CAMA trunks). The company that makes the 
> software system used by most of the PSAPs announced some time ago that 
> they are now support IP connectivity between PSAPs and between the 
> tandem and the PSAP (so that a PSAP can be installed in places where 
> no CAMA trunks are available)... it's only a matter of time before the 
> PSAPs will offer IP connectivity into their systems, in which case the 
> ILEC will no longer have to be involved.
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