On-Air 2100 SMS - Telephone BT - Free user manual and instructions
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| Product Type | DECT Cordless Telephone |
| Brand | BT |
| Model | On-Air 2100 SMS |
| Category | Telephone |
| Display | Backlit LCD display with time and caller ID |
| Frequency Band | DECT 1.88-1.90 GHz |
| Wireless Range | Up to 50 m indoors, 300 m outdoors |
| SMS Features | Send, receive and store text messages |
| Phonebook Memory | 50 names and numbers |
| Caller ID | Supports caller identification and call log |
| Call Functions | Redial, mute, flash, headset socket |
| Talk Time | Up to 10 hours |
| Standby Time | Up to 100 hours |
| Power Supply | Mains adapter 230V AC, 50Hz |
| Battery Type | 2 x AAA NiMH rechargeable batteries |
| Charging Time | Approximately 15 hours |
| Handset Dimensions (H x W x D) | 160 x 50 x 25 mm |
| Base Dimensions (H x W x D) | 110 x 90 x 60 mm |
| Handset Weight | 150 g |
| Base Weight | 250 g |
| Operating Temperature | 5°C to 40°C |
| Maintenance | Clean with a soft dry cloth; do not use solvents |
| Safety | Use only the supplied adapter; keep dry and avoid water exposure |
| Spare Parts | Available via BT spare parts service |
Frequently Asked Questions - On-Air 2100 SMS BT
How do I set up the BT On-Air 2100 SMS for the first time?
To set up, place the handset on the base unit to charge for at least 15 hours before first use. Connect the base to the telephone line and mains power. Then insert the batteries into the handset and place it on the base to register automatically.
Can I send text messages with this phone?
Yes, the On-Air 2100 SMS supports SMS messaging. Use the menu button to access the SMS function, select 'Write Message', and use the keypad to type your text. You can send messages to compatible networks.
What is the wireless range of the handset?
The handset has a typical range of up to 50 meters indoors and up to 300 meters outdoors, depending on environmental conditions and obstructions.
How long does the battery last and how do I replace it?
The battery provides up to 10 hours talk time and 100 hours standby. To replace, open the battery compartment on the handset, remove the old batteries, and insert two new AAA NiMH rechargeable batteries, then recharge fully.
The handset displays 'NO BASE' – what should I do?
'NO BASE' indicates the handset is out of range or not registered. Move closer to the base unit, ensure the base is powered, and if necessary, re-register the handset by pressing the paging button on the base for 5 seconds.
Can I use the phone during a power outage?
No, the base unit requires mains power to operate. During a power cut, the handset will not work unless it is using a backup battery system, which this model does not support.
How do I adjust the ringer volume?
Use the volume up/down keys on the side of the handset during an incoming call or go to the handset settings menu to adjust the ringer volume from low, medium, high.
Is the phone compatible with other DECT handsets?
Yes, the BT On-Air 2100 SMS uses the DECT standard, so you can add up to 5 additional DECT handsets to the same base unit for multi-room use.
How do I clean and maintain the phone?
Clean the phone with a soft, dry cloth. Do not use liquid cleaners or aerosols as they may damage the device. Regularly check the charging contacts and keep the base unit in a well-ventilated area.
Where can I find spare parts for this phone?
Spare parts such as batteries, chargers, and replacement handsets are available from the BT spare parts service. Contact BT customer support or visit their website to order compatible accessories.
User questions about On-Air 2100 SMS BT
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USER MANUAL On-Air 2100 SMS BT
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Product information
Brand : BT
Model : On-Air 2100 SMS
Category : Telephone