Table of ContentsxixConfiguring Security Features .................................................. 397User and Administrator Passwords................................................................................................................................ 397Auto Logout Time ................................................................................................................................................................. 399Base PIN .................................................................................................................................................................................... 400Emergency Number ............................................................................................................................................................. 401Transport Layer Security (TLS) ......................................................................................................................................... 403Secure Real-Time Transport Protocol (SRTP) ............................................................................................................ 414Encrypting and Decrypting Files ..................................................................................................................................... 416Configuration Parameters ........................................................................................................................................ 417Encrypting and Decrypting Configuration Files .............................................................................................. 420Troubleshooting......................................................................... 425Troubleshooting Methods ................................................................................................................................................ 425Viewing Log Files ......................................................................................................................................................... 425Capturing Packets ........................................................................................................................................................ 439Enabling Watch Dog Feature .................................................................................................................................. 440Analyzing Configuration Files ................................................................................................................................. 441Exporting All the Diagnostic Files ......................................................................................................................... 444Troubleshooting Solutions ................................................................................................................................................ 446IP Address Issues.......................................................................................................................................................... 446Base Issue ........................................................................................................................................................................ 447Register Issue ................................................................................................................................................................ 448Display Issue .................................................................................................................................................................. 448Upgrade Issue ............................................................................................................................................................... 449Time and Date Issue ................................................................................................................................................... 449Audio Issue ..................................................................................................................................................................... 450Phone Book Issues ...................................................................................................................................................... 451Provisioning Issues ...................................................................................................................................................... 451Password Issues ............................................................................................................................................................ 451System Log Issue ......................................................................................................................................................... 453Hardware Issue ............................................................................................................................................................. 453Resetting Issues ............................................................................................................................................................ 453Rebooting Issues .......................................................................................................................................................... 458Protocols and Ports Issues ....................................................................................................................................... 461Other Issues ................................................................................................................................................................... 464Appendix..................................................................................... 467Appendix A: Glossary ........................................................................................................................................................... 467Appendix B: Time Zones .................................................................................................................................................... 469Appendix C: Trusted Certificates .................................................................................................................................... 470Appendix D: Auto Provisioning Flowchart (Keep User Personalized Configuration Settings) .............. 473