This IDC study examines the life cycle of Nortel's family of TDM- and IP-based PBX systems. This study provides an equipment overview, a review of secondary market trends, a future outlook, and essential guidance for those organizations involved in the purchase, sale, or investment of Nortel TDM and IP PBX systems.

"Although this is a market in transition, it will continue to be a lucrative arena for financing companies that offer financing flexibility and innovative packaging to future telecommunications platforms." — Susan G. Middleton, research director, Technology Financing Strategies