Brand: SIEMENS
Category: Mobile Phone
Document Type: Manual
Language: EN
Manual for C590 - C595
Uploaded: Nov. 21, 2025, 6:24 p.m.
Warranty Information
Refer to the Guarantee Certificate for warranty information.
The Gigaset C590/C595 phone offers a user-friendly interface with a large TFT display and intuitive keypad. Key operations include making calls, managing contacts in the directory, sending SMS messages, and utilizing the integrated answering machine (on C595). Users can personalize settings like ringtones, display options, and assign speed dial numbers. The phone also supports network services and advanced features such as Eco Mode for environmental awareness. For basic setup, follow the "First steps" guide covering base and handset configuration, battery charging, and date/time setting. The "Using the phone" section details navigation, display keys, and keypad functions. Consult the "Menu overview" for a comprehensive list of features.
Troubleshooting and error codes
| Problem | Possible cause | Solution |
|---|---|---|
| No dialling tone | Base not connected to the line. | Check the telephone connection. |
| Line disturbed. | Disconnect other devices from the line. | |
| PABX switched off or line disturbed. | Contact your PABX administrator. | |
| Display is dark | Handset not switched on. | Press and hold the End call key. |
| Battery empty. | Charge the battery. | |
| Handset is out of range. | Move closer to the base. | |
| Cannot register handset | Handset already registered to another base. | De-register the handset and register it again. |
| Registration failed. | Check the base PIN and repeat the registration. | |
| Cannot make calls | Access code/line access missing. | Enter the access code. Check your PABX settings. |
| Line disturbed. | Disconnect other devices from the line. | |
| Call cannot be answered | Handset is switched off. | Switch on the handset. |
| Handset is out of range. | Move closer to the base. | |
| Do Not Disturb function activated. | Deactivate the Do Not Disturb function. |