Hi Ali,
Please check the settings under Phone configuration, Default Device Profile and in
service parameter setting.
Phone Configuration Settings :
From the drop-down list box, enable or disable the Join Across Lines feature for this device or choose Default to use the service parameter setting.
•Off—This setting disables the Join Across Lines feature.
•On—This setting enables the Join Across Lines feature.
•Default—This setting uses the Join Across Lines setting that is in the service parameter.
Default Device Profile Configuration Settings :
From the drop-down list box, choose from the following options:
•Off—This device does not allow users to use the Join Across Lines feature.
•On—This device allows users to join calls across multiple lines.
•Default—This device inherits the Join Across Lines setting from the service parameter and device pool settings.
Note If the server parameter and device pool settings are different, the device will inherit the setting from the service parameter setting.
Hope it helps,
Anand
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