{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"PBX Systems for IP Telephony: IP Telephony for Customer Premises (McGraw-Hill Telecom Professional)","author_name":"Allan Sulkin","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0T8/bigB000T8OAGI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000T8OAGI.html\">PBX Systems for IP Telephony: IP Telephony for Customer Premises (McGraw-Hill Telecom Professional)</a>","width":400,"height":300}