Brand: SIEMENS
Category: Telephone
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for S445
Uploaded: Nov. 21, 2025, 8:25 p.m.
Manual Publish Date: 2004-01-01
Warranty Information
All rights reserved. Subject to availability. Rights of modifications reserved.
Handset at a glance
The handset features a display with signal strength and battery charge condition. Key controls include display keys, end call/on-off key, hash key, call-by-call list key, microphone, R key, star key, key 1, talk key, and handsfree key. The control key is used for navigation in menus and lists.
Base station at a glance
The base station allows for registration/paging and activation/deactivation of the answering machine. Keys are available for message playback, volume adjustment, and skipping messages. A registration/paging key is used for adding handsets.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
|---|---|---|
| Handset does not react | Batteries flat | Charge batteries (see page 8) |
| No dial tone | Base station not connected to the network | Connect base station to the network (see page 7) |
| Calls cannot be received | Handset is switched off | Switch handset on (see page 9) |
| No connection to base station | Handset is too far from the base station | Move closer to the base station |
| Answering machine not working | Answering machine deactivated | Activate answering machine (see page 5) |