Yealink SIP-T54S, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
xvi
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Auto Answer on page 385

Do Not Disturb (DND) on page 409

Call Forward on page 445

Call Park on page 518

Lightweight Directory Access Protocol (LDAP) on page 591

Visual Alert and Audio Alert for BLF Pickup on page 611

Busy Lamp Field (BLF) List on page 635

Receiving RTP Stream on page 692

Action URI on page 739

Ring Tones on page 820

Audio Codecs on page 854

Jitter Buffer on page 884

Transport Layer Security (TLS) on page 938

Local Logging on page 964

Syslog on page 972
Changes for Release 81, Guide Version 81.20
Major updates have occurred to the following sections:

Wallpaper on page 182

Screen Saver on page 191
Changes for Release 81, Guide Version 81.15
Documentations of the newly released SIP-T48S, SIP-T46S, SIP-T42S, SIP-T41S and SIP-T27G IP
phones have been added.
The following section is new for this version:

Transparency on page 189
Major updates have occurred to the following sections:

VPN on page 97

Upgrading Firmware from the Provisioning Server on page 149

Wallpaper on page 182

Screen Saver on page 191

Power Saving on page 199

Backlight on page 203

Account Registration on page 223

Time and Date on page 248

Language on page 267