Yealink T28P Information and Manuals

T28P Features:

• TI TITAN chipset and TI voice engine

• 320x160 graphic LCD with 4-level grayscales

• 6 VoIP accounts, Broadsoft /Avaya/Asterisk validated

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

• 48 keys including 16 programmable keys

• BLF/BLA, SMS, Voicemail, Intercom

• Localized language, XML phonebook

• FTP/TFTP/HTTP, PnP Auto-provision

• SRTP/HTTPS/TLS, VLAN, QoS

• PoE, Headset, 2xRJ45, Expansion module

Recommended and Tested Firmware: 2.70.0.130.rom

 FYI: The purpose of this article is to provide you with more information about Yealink T28P. 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

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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