User Guide

Obtaining the Provisioning Server Address

Yealink IP phones support obtaining the provisioning server address in the following ways:

 Zero Touch

 Plug and Play (PnP) Server

 DHCP Options

 Phone Flash

 Configuring Wildcard of the Provisioning Server URL

The priority of obtaining the provisioning server address is as follows: Zero Touch-->PnP

Server-->DHCP Options (Custom option-->option 66-->option 43) -->Phone Flash. The

following sections detail the process of each way (take the SIP-T23G IP phone as an example).

Zero Touch

Zero Touch allows you to configure the network parameters and provisioning server address via

phone user interface during startup. This feature is helpful when there is a system failure on the

IP phone. To use Zero Touch, make sure this feature is enabled. This feature is not applicable to

W52P/W56P IP phones.

To configure zero touch via web user interface:

1. Click on Settings->Auto Provision.

2. Select Enabled from the pull-down list of Zero Active.

3. Enter the desired wait time in the Wait Time(1~100s) field.

The default value is 5.