I want to have Price Comparison for the "USB Internet phone wizard"(a
device to connect a Personal Computer to an ordinary PSTN Phone or
Cordless to be able to make phone calls on Internet.) manufactured by
Actiontec Electronics including prices of similar devices manufactured
by others also.

Hi  bhagawatiprasadb!
According to PCWorld.com and OSDN, the cheapest price for the "USB
Internet Phone Wizard" is $39.95
http://pcworld.pricegrabber.com/search_getprod.php/masterid=540729/ut=ac8b3183cfa8e9a6
http://osdn.pricegrabber.com/search_getprod.php/masterid=540729/ut=ac8b3183cfa8e9a6
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Actiontec External USB Internet Phone Wizard,  from Techdepot.com
Price: $39.95 (Ground shipping $6.75)
Phone: 800.721.8344
http://www.techdepot.com/product.asp?productid=458171&iid=939
Actiontec External USB Internet Phone Wizard,  from Computers4sure.com
Price: $39.95 (Ground shipping $6.75)
Phone	800-266-7883
Sales Email	sales@computers4sure.com
http://www.computers4sure.com/product.asp?productid=458171&iid=939
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Here are some similar products:
InnoMedia's InfoAccel Net phone (Price $99)
http://www.innomedia.com/consumer_products/infoaccel/index.htm
PCNet Phone by ZMM Technologies
http://www.usbphone.com/pcnetphone.html
YAP (Price: $43.70)
http://www.buy.com/techtv/retail/computers/product.asp?sku=10260897
PCI Hotline by Net2Phone Inc (Price: $75)
http://web.net2phone.com/partnerships/distributors/product/dialup/hotline.asp
USB Internet Phone by CuPhone (Price $39)
http://www.cuphone.com/products/usb_internet_phone/index.htm
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Related sites:
http://www.dcet.k12.de.us/teach/hennessy/wilmcol/usbphone.html
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I hope this helps!
-- Jack
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Search terms: 
[ "usb internet phone wizard ], [ "pcnet phone" ], [ yap usb phone ]