@RonaldSchlager ranked #23 in Onalytica´s List "Unified Communications": Top 100 Influencers and Brands

Book – Topics


Book Topics



Basics in Data Communications

The OSI Model – simply explained

OSI Model – Tutorial


Fundamentals of Local Area Networks

Abbreviations in Communications Technologies



Simple Security for Smartphone and Tablet

Mobile Device Integration

Mobile Office Technology

Selecting Mobile Device Management Systems


Voice and Video over IP

From ISDN to SIP

Voice over IP – Chances, Changes, Challenges

Unified Communications and Co-operation


Corporate Telephony Strategies for Enterprise Customers and Organizations

Voice over IP Technology

IP-based Video Surveillance

SIP – The Key to VoIP



The OSI Model – simply explained

OSI Model – Tutorial


IPv4 and IPv6 Addresses – An Introduction




SIP – The Key to VoIP


Interested in German books? Visit our German book listing…