User Manual

Yealink Skype for Business HD IP Phones Administrator Guide

- Bridge mode for PC port

- HTTP/HTTPS server

- DNS client

- DHCP server

- IPv6 support

 Management

- FTP/TFTP/HTTP auto-provision

- Configuration: browser/phone/auto-provision

- Dial number via SIP server

- Dial URL via SIP server

 Security

- HTTPS (server/client)

- Transport Layer Security (TLS)

- VLAN (802.1q), QoS

- Digest authentication using MD5/MD5-sess

- Secure configuration file via AES encryption

- Phone lock for personal privacy protection

- Admin/User configuration mode

- 802.1X authentication

Expansion Module

This section introduces EXP40 expansion modules. EXP40 is only applicable to T48G/T46G Skype

for Business phones.

The Yealink EXP40 Expansion Module, with a LCD display, is console you can connect to

T48G/T46G Skype for Business phones to add additional lines. You can assign contacts to EXP

keys on your EXP40, so that you can quickly call contacts by pressing the corresponding EXP key.

You can also monitor your Skype for Business contacts’ presence status from your Expansion

Module. For more information on assigning contacts to EXP keys, refer to

Yealink phone-specific

user guide

The following lists the available physical features of the currently supported LCD expansion

modules: