ISP Information:
A standard that is used to boost conventional SDRAM memory up to speeds of 200MHz and beyond.Standard SDRAM tops out around 150-166MHz, and DDR SDRAM starts at 200MHz by effectively doubling the speed of 100MHz SDRAM by sending two bits of data per clock cycle. A new standard called DDR II will push DDR SDRAM over 400MHz effective speeds, where standard DDR trails off.
ISP Glossary:
Double Data Rate SDRAM - On Fri, 19 Sep 2003 03:53:24 GMT, SayNoToCrossposters wrote: Kyler Laird wrote in message news:telecom22.655.5@telecom-digest.org: I need 3 incoming and outgoing lines to the phone company. I also need around 15 telephone sets in and around the house. How about Asterisk? http://www.asteriskpbx.com That was my first reaction. Then I read about people spending $550 on proprietary solutions. For an Asterisk system, if you want all phones to be independent, you're talking about something like four of the 4-port FXS interfaces ($305 each) http://store.yahoo.com/asteriskpbx/witd4pofxsbu.html and then three of the single-port FXOs ($100 each). http://store.yahoo.com/asteriskpbx/wildcardx100p.html (Is there a cheaper way to do it? T-1 interface?) That's $1520 just in telephony hardware. Then there's the host (~$500), telephone instruments (which might already be available), and whatever level of support that's required (could be $0). I'd certainly prefer to spend ~$2K on a system that I control than $500 on a proprietary box (especially at home where I might want to do *really* weird stuff), but I can see how it would be hard for some people to justify paying the higher purchase price. --kyler Not including the time to get it to work properly ... not to mention the 5 nines and the lower cost. Remember, a Panasonic KXT in a 3x8 is actually a 3x16 ... 8 digital 8 analog.No, a TD 308 is 3x8x4 out of the box. You need additional cards toget 4 more analog ports.I had a customer very glad today that they bought a Panasonic. Thecustomer wanted a price on headsets, telling me that they didn't wantto pay a fortune for them. I told her she would laugh when she heardthe price; between $15 and $25. She was expecting $50 to 150.Carl Navarro
|
