May 2, 2009
Did any one know how thw VOIP work? their fucntion how the call transfer happens? by briefly
1 comment… read it below or add one
http://communication.howstuffworks.com/ip-telephony.htm http://www.packetizer.com/ipmc/papers/understanding_voip/how_voip_works.html
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1 comment… read it below or add one
http://communication.howstuffworks.com/ip-telephony.htm
http://www.packetizer.com/ipmc/papers/understanding_voip/how_voip_works.html