{"product_id":"pbx-systems-for-ip-telephony-allan-sulkin-9780071375689","title":"Pbx Systems for IP Telephony, Migrating Enterprise Communications","description":"This work explains telephone switching systems and how the technology is evolving to accommodate voice-over-IP traffic. Unlike data networks, telephone networks are proprietary. They're purchased as complete systems and are hard if not impossible to modify. Allan Sulkin explains how to acquire, deploy and maintain a system with all the features needed to support essential new applications, and how to get optimal performance from the system you have.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Allan Sulkin\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 0071375686\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9780071375689\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e McGraw-Hill Companies\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/15\/2002\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 487\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 2.13lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.22h x 7.38w x 1.32d","brand":"Allan Sulkin","offers":[{"title":"Paperback","offer_id":44790030467327,"sku":"9780071375689","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_81de58e9-7496-44cc-a956-811f8350e920.jpg?v=1707287754","url":"https:\/\/www.whiterainbookhouse.com\/products\/pbx-systems-for-ip-telephony-allan-sulkin-9780071375689","provider":"WR Book House","version":"1.0","type":"link"}