Yealink SIP-T29G User Manual page 162

User Guide for the SIP-T29G IP Phone
To configure the shared line settings and the number of line key on phone A via web
user interface:
1. Register the primary account 4603.
2. Click on Advanced, and then select Shared Call Appearance from the pull-down
list of Shared Line.
3. Enter the desired number in the Number of line key field.
This field appears only if Auto Linekeys feature is enabled.
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