If enabled, the on going call will be disconnected automatically once
the session expired unless it’s been refreshed by UAC or UAS.
Go to Account - Advanced to configure to display or configure
BLF list URI address.
BLF List URI: BLF List is short for busy lamp field list.
BLFList PickUp Code: To set the BLF pick up code.
BLFList BargeIn Code: To set the BLF barge in code.
If enabled, voice will be encrypted.
Go to Account - Advanced to display NAT related settings.