Yealink SIP-T40P - Changes for Release 80, Guide Version 80.95

About This Guide
vii
 Do Not Disturb (DND) on page 89
 Call Transfer on page 101
 Call Park on page 109
 Busy Lamp Field (BLF) on page 121
 Intercom on page 133
 Multicast Paging on page 136
Changes for Release 80, Guide Version 80.95
The following section is new:
 Entering Data and Editing Fields on page 20
Major updates have occurred to the following sections:
 Icon Instructions on page 3
 Optional Accessories on page 12
 Phone Installation on page 13
 Appendix on page 171