Yealink SIP-T40P User Manual page 134

User Guide for the SIP-T40P IP Phone
To configure the auto linekeys feature via web user interface:
1. Click on F e atures-> General Information.
2. Select Enabled from the pull-down list of A ut o LineKeys.
A uto LineKeys is
If
Line type for a registered shared line on the phone.
3. Click Conf irm to accept the change.
124
you can automatically assign multiple DSS keys with
enabled,