Yealink SIP-T21 - Manual (Page 11)

Overview
1
This chapter provides the overview of the SIP-T21P/SIP-T21 IP phone. Topics include:

Hardware Component Instructions

Icon Instructions

LED Instructions

User Interfaces

Documentations
If you require additional information or assistance with your new phone, contact your
system administrator.
The main hardware components of the SIP-T21P/SIP-T21 IP phone are the LCD screen and
the keypad.