Tác giả: Chris Pearce

John Alexander is a director of the CallManager software development group at Cisco. His experience is primarily in the field of voice communications, including call processing, voice messaging, call center, and switching systems. Chris Pearce is a Cisco distinguished engineer in the CallManager software development group at Cisco. His expertise includes call routing, call control, and telephone features. Chris is directly involved in developing the system architecture and design. Anne Smith is a technical writer in the CallManager support group at Cisco. Her expertise lies in comprehending and distilling complex technical information into comprehensive, accurate, and readable documentation. Delon Whetten is a senior manager of the call processing team in the CallManager software development group at Cisco. His experience centers on the design and development of message switching, voice messaging, and VoIP call processing systems.