लेखक: Addis Hallmark

Paul Giralt, CCIE(r) No. 4793, an escalation engineer at the Cisco Systems Technical Assistance Center in North Carolina, has been troubleshooting complex IP telephony networks since CallManager release 3.0. Paul has troubleshot problems for some of the largest Cisco IP Telephony deployments and trains TAC teams around the globe. Paul holds a bachelor”s degree in computer engineering from the University of Miami. Addis Hallmark, CCNA(r), CIPT, a senior technical marketing engineer with Cisco Systems, has been installing, configuring, and troubleshooting the Cisco IP Telephony solution since CallManager release 2.3. Addis contributes to numerous design guides, application notes, and white papers on a variety of IP telephony subjects, including CallManager, IP phones, and IP gateways. Anne Smith is a technical writer in the CallManager Engineering group at Cisco Systems. She has written technical documentation for the Cisco IP Telephony solution since CallManager release 2.0. Anne writes internal and external documents for CallManager, IP phones, and other Cisco IP Telephony products and is a co-author of the Cisco Press books Cisco CallManager Fundamentals and Developing Cisco IP Phone Services.