{"product_id":"sip-understanding-the-session-4th-ed-9781608078639","title":"Sip: Understanding the Session 4th Ed","description":"Comprehensive current understanding of this revolutionary protocol for call signalling and IP telephony.\u003cbr\u003e","brand":"Artech House Publishers","offers":[{"title":"Default Title","offer_id":50524994339090,"sku":"9781608078639","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_abb73f09-3838-47f4-916e-c1b8f883074e.jpg?v=1731197914","url":"https:\/\/surprise-castle.myshopify.com\/products\/sip-understanding-the-session-4th-ed-9781608078639","provider":"Surprise Castle","version":"1.0","type":"link"}