{"product_id":"internet-telephony-call-processing-protocols","title":"Internet Telephony - Call Processing Protocols","description":"Written for engineers, managers, and users, this book begins with an overview of basic telephony call processing, focusing on the differences between traditional circuit switching and more contemporary packet-based networks. A special section discusses telephony routing over IP. Major standards and protocols are described in detail. Particular attention is given to H.323, SIP, Megaco Protocol, and MGCP. Black is a consultant, and author, and a lecturer on computer networks and data communications. Annotation c. Book News, Inc., Portland, OR (booknews.com)","brand":"Thryft Singapore","offers":[{"title":"Like New","offer_id":40192869531729,"sku":"X14474","price":26.0,"currency_code":"MYR","in_stock":false},{"title":"Very Good","offer_id":40192869564497,"sku":"X14474","price":18.0,"currency_code":"MYR","in_stock":false},{"title":"Good","offer_id":40192869597265,"sku":"X14474","price":15.0,"currency_code":"MYR","in_stock":false},{"title":"Well Read","offer_id":40192869630033,"sku":"X14474","price":15.0,"currency_code":"MYR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0110\/0598\/4849\/files\/3214218.jpg?v=1717742231","url":"https:\/\/thryft.my\/products\/internet-telephony-call-processing-protocols","provider":"Thryft","version":"1.0","type":"link"}