Overview of configuration steps

Field	Menu	Value
Connection Type	Assistants -> PBX -> Trunks -> New	`ISDN (P-P)`
Name	Assistants -> PBX -> Trunks -> Next	e. g. `ISDN (P-P) Extern`
Ports	Assistants -> PBX -> Trunks -> Next	`Module Slot 3/1 S/U`
P-P Base Number	Assistants -> PBX -> Trunks -> Next	e. g. `909`
Class of Service	Assistants -> PBX -> Trunks -> Next	`Default CoS`
(P-P) DDI Exception	Assistants -> PBX -> Trunks -> Next -> Advanced Settings	e. g. `99` and `100`

Field	Menu	Value
Name	Numbering -> User Settings -> Users -> Default User ->Basic Settings	e.g. `Mr. Meier`
Description	Numbering -> User Settings -> Users -> Default User ->Basic Settings	e.g. `Boss`
Default	Numbering -> User Settings -> Users -> Default User -> Basic Settings	e.g. `Default CoS`
Optional	Numbering -> User Settings -> Users -> Default User -> Basic Settings	e.g. `Default CoS`
Night	Numbering -> User Settings -> Users -> Default User -> Basic Settings	e.g. `Default CoS`
Internal Numbers	Numbering -> User Settings -> Users -> Mr Meier -> Numbers	e.g. `10`
Displayed Description	Numbering -> User Settings -> Users -> Mr Meier -> Numbers	e.g. `Mr. Meier MN`
System Phonebook	Numbering -> User Settings -> Users -> Mr Meier -> Numbers	`Enabled`
ISDN P-P Extern	Numbering -> User Settings -> Users -> ->Mr Meier -> Outgoing Signalisation -> Internal Number 10	e.g. `909-100`

Field	Menu	Value
Assignment	Numbering -> Call Distribution -> Incoming Distribution ->	`Internal number`
Internal Number	Numbering -> Call Distribution -> Incoming Distribution ->	e.g. `321 (Ms. Müller)`

Field	Menu	Value
Description	Terminals -> elmeg System Phones -> System Phone -> General	e.g. `Phone Mr. Meier`
Internal Numbers	Terminals -> elmeg System Phones -> System Phone -> General	e.g. `10 (Mr. Meier MN)`