{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Building Telephony Systems with OpenSER: A step-by-step guide to building a high performance Telephony System","author_name":"Flavio E. Goncalves","thumbnail_url":"https://www.ebooknetworking.net/books/184/719/big1847193730.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1847193730.html\">Building Telephony Systems with OpenSER: A step-by-step guide to building a high performance Telephony System</a>","width":400,"height":300}