Yealink T22P Guide

Enterprise IP Phone Using the Basic Call Functions
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--Call Forward
--Call Waiting
--DSS Keys
--Key as Send
--Hot Line
--Anonymous Call
--Auto Redial Settings
--Dial Plan
--Tones
--DND Code
--ReDialTone
--Emergency
--BusyToneDelay
--Return code when refuse
--Return code when DND
--Intercom
--Call Completion
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Basic Phone Functions
--Language
--Time & Date
--Ring Tone
--Phone Volume
--Logo Customization
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Advanced Phone Functions
--Accounts
--Network
--Voice
--Codecs
--Echo Cancellation etc
--Reset to factory
--Set admin password
--Update
--Set AES Key
--Keypad Lock
--Auto Provision
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Other Features
--Messages
--History
--Directory
--Contacts
--Blacklist
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Note:
1. The above table only indicates most of phone functions rather than all of them.

Yealink T22P Specifications

General

Protocol	SIP
Power over Ethernet	Yes (IEEE 802.3af)
Weight	0.77kg
Audio Features	Full-duplex speakerphone
Lines	3
Codecs	G.722, G.711
Standards Compliance	IEEE802.3af
Dimensions	209mm x 188mm x 150mm x 41mm
Headset Port	RJ9