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Other Resources on IP-Telephony Products >>     iptelephony.org: IP phones Yahoo: commercial companies active in the area of the Internet telephony. SIP product at SIP site: http://www.cs.columbia.edu/~hgs/sip/implementations.html DirectImage: DirectImage Virtual Voice webphone review may be found at CNET's site. Pulver's gateway list: pulver.com Pulver's SIP Product list: http://www.pulver.com/products/sip/ Computer Telephony: gateway pages SIP Forum's list of products