Yealink SIP-T21 E2 User Manual

Overview
3
Icons appearing on the LCD screen are described in the following table:
Icon
Description
Network is unavailable
The private line registers successfully
Register failed
Registering
The shared/bridged line registers
successfully
Hands-free speakerphone mode
Handset mode
Headset mode
Voice Mail
Text Message
Auto Answer
Do Not Disturb
Call Hold
Ringer volume is 0
Phone Lock
Call Mute
Received Calls

Yealink SIP-T21 E2 Specifications

General

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