Siemens

Siemens Hicom Office Range

At System Manager Extension (201 or 21 usually)

1. Dial *95
2. Display reads "Enter User "
3. Dial *95 & tick
4. Scroll to TIME & tick
5. Tick to alter time
6. Dial In The Time ie  HHMM
7. Press Tick & lift handset & release

Siemens Hicom 100e Range (112,118)

At System Manager Extension (200 or 11 usually)

1. Dial *94
2. Press Tick to enter
3. Scroll to TIME & tick
4. Tick to alter time
5. Dial In The Time ie HHMM
6. Press Tick & lift handset & release

Siemens Hicom 100 Series (110/120/125/130)

With A Display Handset Plugged Into The First Extension (Usually 20 or 200)

1. Press Service
2. Press Hold
3. Dial 756
4. Press Service
5. Dial 9 * 0 4 *
6. Dial The Hours (00-23) Followed By *
7. Dial The Minutes (00-59) Followed By *
8. Lift And Replace The Handset