Yealink SIP-T20 - Manual (Page 44)

User Guide for the SIP-T20P/SIP-T20 IP Phone
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6. (Optional.) Select the contact information you want to import into the local directory
from the pull down list of Index.
7. Click Import to complete importing the contact list.
To export contact list via web user interface:
1. Click on Directory->Local Directory.
2. Click Export XML (or Export CSV).
3. Click Save to save the contact list to your local system.
Note
The built-in phone directory stores the names and phone numbers for a blacklist. You
can store up to 30 contacts in your phone’s blacklist directory; add, edit, delete or
search for a contact in the blacklist directory; even dial a contact number from the
blacklist directory, but any incoming call from the blacklist contacts will be rejected
automatically.
To add a contact to the blacklist manually:
1. Press .
2. Select Blacklist.
3. Press or to scroll to New Item.
4. Press to add a new contact.
5. Press to switch the input mode.
Contact lists can be imported/exported via web user interface only.