Linux Troubleshooting Mastery: Diagnosing and Resolving System Issues by Sarful

TROUBLESHOOTING WITH WIRESHARK: LOCATE THE SOURCE OF By Laura Chappell & James

PRACTICAL TROUBLESHOOTING TECHNIQUES FOR MICROPROCESSOR By James Coffron *VG+*

Assembling And Troubleshooting Microcomputers James Perozzo 1991 Paperback

VoIP and Unified Communications: Internet Telephony and the Future Voice Network

VoIP Systems: Production Deployment and Orchestration by James Relington Paperba

Voice, Video, and Data Network Convergence : Architecture and Design, from VoIP

Beyond VoIP Protocols: Understanding Voice Technology... by David Gurle Hardback