Call Through
Initiating a Call to an internal destination (on an External Phone)
Call Through number > Destination number
Call Through number
External number defined for Call Through on the PBX
Destination number
Internal phone to be called
Internal number of the group or user
* Further help under Call Through
Initiating a Call to an external destination (on an External Phone)
Call Through number > PIN > * > Destination number
Call Through number
External number defined for Call Through on the PBX
PIN
Call Through PIN configured in the PBX
Destination number
External phone to be called
External number
Additional information
#    Destination number accelerates the dialling
* Further help under Call Through