Yealink SIP-T21 E2 Administrator's Guide

Configuring Basic Features
249
MMM”, “WWW” represents the abbreviation of the weekday, “DD” represents the two-digit day,
and “MMM” represents the first three letters of the month.
The date formats available:
Date Format
Example (2016-09-02)
WWW MMM DD
Fri, Sep 02
DD-MMM-YY
02-Sep-16
YYYY-MM-DD
2016-09-02
DD/MM/YYYY
02/09/2016
MM/DD/YY
09/02/16
DD MMM YYYY
02 Sep, 2016
WWW DD MMM
Fri, 02 Sep
Yealink IP phones also support customizing date format. For example, YYYY-MMM-DDD-
WWW, and W,MD, etc. For more information, refer to Time and Date Settings on page 255.
The following table lists available configuration methods for time and date.
Option
Configuration Methods
NTP time server
Configuration Files
Web User Interface
Phone User Interface
Time Zone
Configuration Files
Web User Interface
Phone User Interface
Time
Web User Interface
Phone User Interface
Time Format
Configuration Files
Web User Interface
Phone User Interface
Date
Web User Interface
Phone User Interface
Date Format
Configuration Files
Web User Interface
Phone User Interface
Date Format (custom)
Configuration Files

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English