Yealink SIP-T27P [8/841] Changes for release 80 guide version 80 0

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones

viii

 Logon Wizard on page 504

 Auto-Logout Time on page 672

 Appendix E: Auto Provisioning Flowchart (Keep user personalized configuration

settings) on page 767

Major updates have occurred to the following sections:

 DHCP on page 58

 Time and Date on page 131

 Language on page 148

 Input Method on page 158

 Logo Customization on page 163

 Softkey Layouton page 167

 Dial Plan on page 179

 Directory on page 199

 Search Source in Dialing on page 201

 Local Directory on page 209

 SIP Session Timer on page 273

 Call Hold on page 278

 DTMF on page 359

 Remote Phone Book on page 400

 VLAN on page 560

 Network Address Translation on page 599

 Comfort Noise Generation on page 664

 Phone Lock on page 674

 Troubleshooting Methods on page 715

 Troubleshooting Solutions on page 733

This version is updated to incorporate SIP-T48G IP phones. Documentations of the newly

released SIP-T27P and SIP-T21(P) E2 IP phones have also been added.

Major updates have occurred to the following sections:

 Reading Icons on page 28

 Configuration Files on page 38

 Power Indicator LED on page 91

 Backlight on page 101