{"product_id":"ip-telephony-using-callmanager-express-lab-portfolio-book-cheryl-a-schmidt-9781587131769","title":"IP Telephony Using CallManager Express Lab Portfolio","description":"Part of the Networking Technology Series, this book provides a hands-on approach to learning the basic principles of voice over IP (VoIP) to build a voice-enabled network for the small to medium-sized business. It teaches you how to deploy a basic phone system using a Call Manager Express-capable router.","brand":"WoB","offers":[{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":53652195049745,"sku":"CIN1587131765VG","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9781587131769.jpg?v=1786441361","url":"https:\/\/www.worldofbooks.com\/en-gb\/products\/ip-telephony-using-callmanager-express-lab-portfolio-book-cheryl-a-schmidt-9781587131769","provider":"World of Books ","version":"1.0","type":"link"}