{"product_id":"pbx-systems-for-ip-telephony-0071375686","title":"PBX Systems for IP Telephony","description":"\u003cp\u003e\u003cstrong\u003eISBN:\u003c\/strong\u003e 0071375686\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuthor:\u003c\/strong\u003e Sulkin, Allan\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/p\u003e\u003cp\u003eThis 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.\u003c\/p\u003e","brand":"Mia Karts","offers":[{"title":"Default Title","offer_id":51664107077920,"sku":"NEW0071375686","price":84.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/7426\/3840\/files\/61YMdJaVkWL.jpg?v=1778879242","url":"https:\/\/miakarts.com\/products\/pbx-systems-for-ip-telephony-0071375686","provider":"Miakarts Books","version":"1.0","type":"link"}