{"product_id":"packet-guide-to-voice-over-ip-a-system-administrators-guide-to-voip-technologies","title":"Packet Guide to Voice over IP: A system administrator's guide to VoIP technologies","description":"Brand New From Reputable UK Company With 30 Years Experience In Retail, Please Note Not All Our New Items Are Shrink Wrapped.\u003cbr\u003eAll items shipped within 3 working days of payment.\u003cbr\u003ePlease note that all our DVDs are Region 2.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eWith this concise guide, you'll learn about services involved in VoIP and get a first-hand view of network data packets from the time the phones boot through calls and subsequent connection teardown.","brand":"Chalkys.com","offers":[{"title":"Default Title","offer_id":49784825151810,"sku":"1014673","price":15.48,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0056\/8043\/1219\/files\/51CLh2sD8kL._SL1500.jpg?v=1726712200","url":"https:\/\/chalkys.com\/products\/packet-guide-to-voice-over-ip-a-system-administrators-guide-to-voip-technologies","provider":"Chalkys.com","version":"1.0","type":"link"}