Voice over IP offers cheap long distance telephone services, but the quality is low. A guide to "carrier quality" voice over IP, this book shows how to use signalling schemes, quality of service techniques and existing protocols to deliver a quality voice over IP service.
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Voice over IP offers cheap long distance telephone services, but the quality is low. A guide to "carrier quality" voice over IP, this book shows how to use signalling schemes, quality of service techniques and existing protocols to deliver a quality voice over IP service.
Read Less
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Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains.
