{"product_id":"sip-understanding-the-session-4th-ed-1","title":"Sip: Understanding the Session 4th Ed","description":"Comprehensive current understanding of this revolutionary protocol for call signalling and IP telephony.\u003cbr\u003eASIN: 1608078639\u003cbr\u003eVSKU: GBV.1608078639.G\u003cbr\u003eCondition: Good\u003cbr\u003eAuthor\/Artist:Johnston, Alan B.\u003cbr\u003eBinding: Hardcover\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e Any images shown are stock photographs and product may differ from what is shown.  \u003cbr\u003e\u003cb\u003eCondition Notes\u003c\/b\u003e: Has a sturdy binding with some shelf wear. May have some markings or highlighting. Used copies may not include access codes or Cd's. Slight bending may be present.  \u003cbr\u003e","brand":"Good Books Company","offers":[{"title":"Default Title","offer_id":54416160915761,"sku":"GBV.1608078639.G","price":57.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/3730\/2065\/files\/1608078639-0_cafa2fe6-8824-4fa0-a5df-a650068e6373.jpg?v=1780435674","url":"https:\/\/goodbookscompany.org\/products\/sip-understanding-the-session-4th-ed-1","provider":"Good Books Company","version":"1.0","type":"link"}