Doesn't suit? No problem! You can return within 30 days
You won't go wrong with a gift voucher. The gift recipient can choose anything from our offer.
30-day return policy
Computer telephony spans a vast range of equipment, technology and services. This volume provides a handy reference for topics that go beyond the reader's specific expertise. It explains what the technology is, how it works and how it fits into the picture of computer telephony.