Channels Simultaneously for Outgoing Calls
Proceed as follows:
Using the Configuration Manager (Devices > Voice mail and fax boxes > Basic settings page)
Jointly for all Voice mail and fax boxes
Requirements:
Voice Mail/Fax function (optional, see Activation)
Simultaenously used channels for outgoing calls
Maximum number of call channels that can be used simultaneously for outgoing calls from the Voice Mail/Fax function (message forwarding, fax transfer).