About the Technical Reviewers

Jeremy D. Cioara, CCIE, MCSE 4/2000, CNE 4/5, is a trainer at KnowledgeNet, a Cisco Learning Partner providing career Cisco certification training. In addition to training in all major certification programs (Cisco, Microsoft, and Novell) for more than seven years, he has authored many books, including Cisco IP Telephony (CIPT) 3.3 Curriculum and Cisco IP Telephony Troubleshooting (IPTT) 3.3 Curriculum, and he attained the three Cisco IP Telephony Specialist certifications. Outside of training, Jeremy has consulted for companies such as Qwest, MicroAge, Terminal Processing Systems, and IKON.

Paul Giralt, CCIE R&S, CCIE Voice No. 4793, is an escalation engineer at the Cisco Systems Technical Assistance Center in Research Triangle Park, NC. He has been troubleshooting complex IP telephony networks since the release of CallManager 3.0. Paul has troubleshot problems in some of the largest Cisco IP Telephony deployments and has provided training for TAC teams around the globe. He hold a bachelor of science degree in computer engineering from the University of Miami and is the author of Troubleshooting Cisco IP Telephony.

Jose Martinez, CCIE No. 1690, is an escalation engineer at the Cisco Systems Technical Assistance Center in Research Triangle Park, NC. Since 1995, he has worked in the TAC, supporting multiple technologies, including IBM protocols, L2 and L3 switches, and most recently, IP telephony. As an escalation engineer, Jose has been involved in numerous network deployments. He has troubleshot problems involving critical situations in customer’s networks and has provided training to other Cisco engineers, partners, and customers.