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Dialgo Wave Modem ActiveX SDK Features Caller ID Extraction, Digit Monitor and Playback, Wave File Playback and Recording on Phone Line. You get to save your Wave File in 20+ Audio Formats. Inputs CCITT u-Law Compressed Wave Files for Playback. This compact telephony control reduces your development time by 4 months. More the Registered Version supports SAPI5.1 Text To Speech and Speech To Text on Phone Line.... United Research Labs :: Telephony :: Modem :: Caller ID :: Digits :: Phone :: Speech :: Wave :: Answering Machine :: SAPI 5 :: Dialgo Wave Modem ActiveX
4 stars (An excellent primer.) - As an expert in rare violins with extensive experience at Christie's, Sotheby's, and Antiques Roadshow, I always thought I was able to telephony. Turns out I didn't know the first thing about it! Live and learn, I always say. Thanks for opening my eyes, Mr. Harte. 5 stars (A good switchover for Telecom people) - This is a good introductory book for Telecom people who are looking to get into IP Telephony.The diagrams are good and the explanation are easy to understand.I even talked to the author and he was helpful. 1 stars (Introduction to IP Telephony) - Do NOT buy this PDF if you are a serious professional and want to work for VoIP. You will waste your money buying this and waste your time reading this. I do not think I can give even one star to this book. However Amazon does not accept review if I do not give at least one star hence I have give that rating. ... Althos Publishing :: Telecommunications :: Technology & Telecommunications :: Technology :: Networking - General :: Computers :: Lawrence Harte :: :: Introduction to IP Telephony - Why and How Companies are Upgrading Private Telephone Systems to use
1 stars (Little useful information) - This book tries to dumb-down SIP. It looks like it wants to be a training manual for a "Learning SIP" course, but doesn't provide any real technical detail. It is poorly written and a tedious read. This is the first sentance: "SIP is a standardized technology that allows for the sending of voice, data, and video between communication devices on public (e.g. Internet) or private (e.p. local area networks) data networks." ... and it doesn't get any better after that. SIP Demystified by Gonazlo Camarillo is a much better read. It is engaging and well written, providing useful information for IT engineers, managers and technologists. ... Althos Publishing :: Telecommunications :: Technology & Telecommunications :: Technology :: Networking - General :: Computers :: David Bowler :: Lawrence Harte :: :: Introduction to SIP IP Telephony Systems - Technology Basics- Services- Economics- and Installation