Hi !
According to the Beocom 5 servicemanual you should do the following, to Reset the NEW BEOLINE 2 the 2line base:
Survey of the Service Menu that can be accessed by a registered BeoCom 5 handset
*Access to Service Menu: Enter the sequence 9#9#9* and press INT
Chose Meny :Reset base
The ‘Reset base’ menu contains possibility to reset the base station to factory settings.
- Reset of all EEPROM user system settings in the base to default factory settings.
- Registration data for all registered handsets is deleted.
- The pincode is deleted.
- The phonebook and calls list are deleted.
BeoVision 4 - 50 HD - Beo5 - Beolab 5 - Beolab 7-1 - Beolab 6000 .