Yealink CP960 User Manual page 166

User Guide for CP960 IP Pho
Repeat the step above until you add all intended parties.
- Tap Call multiple members? Click here >>.
Enter the number of the first party then tap Add members or select a contact from
Directory or History.
Repeat the step above until you add all intended parties.
Tap
166
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to call all intended parties at the same time.