Siemens Gigaset Digital Cordless Phone with Hybrid IP/Landline Calling (A580IP) Multi-line functionality for up to 6 handsets and 6 accounts from different providers Online net directory and Yellow Page search HDSP ringer melody output via handsfree speakerphone Programmable up to 150 numbers and names Up to 3 calls in parallel: 2 Internet calls and 1 […]

Review “As an entrepreneur, founder and CEO of several tech companies, I appreciate the insight into IP, strategy and deals that this book provides. I wish there were a book like this when I started by my first company. The book is easy-to-read, comprehensive and up-to-the moment. It covers everything from basic IP and deal […]