Yealink Skype for Business HD IP Phones Administrator Guide
viii
Changes for Release 8, Guide Version 8.21
This version is updated to incorporate T46G, T42G, T41P and T40P Skype for Business phones.
And T22/T22P Skype for Business phones are removed from version 8.
The following sections are new for this version:
Conventions Used in Yealink Documentations on page vi
Expansion Module on page 9
Contrast on page 87
Sign out on page 83
Updating Status Automatically on page 93
Loading Language Packs on page 116
Directory on page 137
Pre Dial Tone on page 164
Boss-Admin Feature on page 201
Calendar on page 205
EXP40 Expansion Module on page 214
Multicast Paging on page 219
Action URI on page 228
Voice Mail Tone on page 276
Skype for Business Feature License on page 299
Major update has occurred to the following sections:
Physical Features of Skype for Business Phones on page 4
Connecting the Skype for Business Phones on page 11
Reading Icons on page 18
Configuration Files on page 21
PPPoE on page 45
Sign-in on page 68
Save Call Log on page 153
E911 on page 198
BToE on page 211
LLDP on page 232
Phone Lock on page 305
802.1X Authentication on page 324
Viewing Log Files on page 339