Yealink T22P Information and Manuals

T22P Features:

• TI TITAN chipset and TI voice engine

• 132x64 graphic LCD

• 3 VoIP accounts, Broadsoft /Avaya/Asterisk validated

• HD Voice: HD Codec, HD Handset, HD Speaker

• 32 keys including 4 soft keys

• SMS, Voicemail, Intercom

• Localized language, XML phonebook

• FTP/TFTP/HTTP, PnP Auto-provision

• SRTP/HTTPS/TLS, VLAN, QoS

• PoE, Headset, Wall-Mounted

Recommended and Tested Firmware: 7.70.0.130.rom

FYI: The purpose of this article is to provide you with more information about Yealink T22P. Please do not attempt to download the firmware and use it to upgrade or re-flash the firmware of your phone without proper authorization from support because we will not be liable for any damages that may occur because of that. The downloadable firmware from this article is strictly for troubleshooting purposes only.

RELATED LINKS (11 RESULTS): Support

• Why is troubleshooting necessary in resolving your issue?
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• Unable to receive incoming calls
• Unable to make outgoing calls
• Getting one way audio on the line
• Getting crackling noises on the line
• Getting feedback or echoes on the line