Yealink SIP-T23P User Manual page 51

The built-in phone directory can store names and phone numbers for a blacklist. You
can store up to 30 contacts, add, edit, delete or search for a contact in the blacklist
directory, and even call a contact from the blacklist directory. Incoming calls from
blacklist directory contacts will be rejected automatically.
To add a contact to the blacklist manually:
1. Press Menu->Directory->Blacklist.
2. Press the Add soft key.
3. Enter the name and the office, mobile or other numbers in the corresponding fields.
4. Press or , or the Switch soft key to select the desired account from the
Account field.
If Auto is selected, the phone will use the first available account when placing calls
to the contact from the blacklist.
5. Press the Add soft key to accept the change or the Back soft key to cancel.
To add a contact to the blacklist from the local directory:
1. Press the Dir soft key.
The IP phone enters the local directory directly as there is only Local Directory
enabled in the directory by default.
If Local Directory is removed from the directory, press Menu->Directory ->Local
Directory to enter the local directory.
2. Press the Enter soft key.
If the groups have been added to the local directory, select the desired group and
then press the Enter soft key.
3. Press or to select the desired contact.
4. Press the Option soft key and then select Add to Blacklist from the prompt list.
Customizing Your Phone
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