{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Introduction to Public Switched Telephone Networks; POTS, ISDN, DLC, DSL, and PON Technologies, Systems and Serivces, Second Edition","author_name":"Harte, Mr. Lawrence","thumbnail_url":"https://www.ebooknetworking.net/books/097/427/big0974278769.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0974278769.html\">Introduction to Public Switched Telephone Networks; POTS, ISDN, DLC, DSL, and PON Technologies, Systems and Serivces, Second Edition</a>","width":400,"height":300}