Yealink SIP-T23G

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Changes for Release V85, Guide Version V85.1
The following sections are new for this version:
l Out of Service
l PIN Code Provisioning Settings Configuration
l Smart Noise Filtering
l Unify Parameters
l Example: Using VPN based on L2TP Prototol
l Exporting the OpenVPN Configuration File from the Phone
l Importing the OpenVPN Configuration File to Phone
l Dsskey Page Reset Configuration
Major updates have occurred to the following sections:
l Bluetooth
l Language
l MWI for Voice Mail Configuration
l Call Park and Retrieve Configuration
l Call Transfer Configuration
l LDAP Configuration
l SCA Configuration
l BLA Configuration
l VPN Configuration
l Internet Port and PC Port Configuration
l Warnings Display
l BroadSoft Settings
l Wi-Fi Configuration
l Ethernet Interface MTU Parameters
l Call Display Configuration
l Network Conference Configuration
l Handset/Headset/Speakerphone Mode Configuration
l Power LED Indicator Configuration
l Macro Action Strings
l Web Server Type Configuration
l Return Code for Refused Call Configuration
l Return Code for Unanswered Call Configuration
l DND Settings Configuration
l Line Keys Configuration
l Multicast Paging Settings Configuration
l Ringer Volume Configuration
l Encryption and Decryption Configuration
l Custom Logo Configuration
l Supported Trusted Certificates