On-Air 2100 SMS user guide ~ Edition 3 ~ 29th July ’02 ~ 4641

If you subscribe to a Caller Display Service you can see the telephone number of the person calling you on your handset display, as well as the date and time of their call (unless the number has been withheld).

The diagram below shows an example of what your handset display will look like. The arrow is pointing inwards which indicates the calls list. If the arrow is pointing outwards it indicates the redial list.

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Calls list

The calls list can hold the telephone numbers of up to 20 callers. If you receive more than one call from the same telephone number then it will only appear once in the list.

If a call is received when the calls list is full, then the oldest entry will be deleted automatically.

If no number is received for a call then no entry will appear in the calls list.

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If you have stored a name to go with the number in your handset directory, the name will be displayed instead.

Please ensure that you have stored the full telephone number, including the area code, otherwise this service will not work.

To enter the calls list

▼Press the DOWN button to select Calls.

C OK

Press the OK button.

C OK Press the OK button again to select Calls list. The most recently received number will be displayed.

Important

The Caller Display Service will not operate when your base station is connected to a switchboard.

Whether you take a call or not, the caller’s details are stored in the Calls List. The Calls List holds the telephone numbers of the last 20 people who called you. You can display, scroll through and dial numbers on the list and copy them into the directory.

When you receive a call the caller’s number will appear on the display. If the number is also stored in your handset directory then the corresponding name will be shown instead of the number. If the caller has withheld their number then -------------

will appear on the display. If for some reason the calling number is not available then

✱✱✱✱✱✱✱✱✱✱✱✱ will appear on the display.

▼Press the DOWN button to scroll backwards through the calls list towards the older calls in the list, press

▲the UP button to scroll forwards through the calls list towards the most recent calls.

When the number you wish to call is displayed press the GREEN PHONE button.

The number will be automatically dialled.

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BT SMS manual Calls list, To enter the calls list
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SMS specifications

BT SMS, or British Telecommunications Short Message Service, is a messaging service that allows users to send and receive text messages via mobile networks. This service has become increasingly popular due to its ease of use, reliability, and the ability to communicate in real time. BT SMS integrates various technologies, making it a crucial tool for both personal and professional communication.

One of the main features of BT SMS is its reliability. The service operates on established mobile network infrastructure, ensuring messages are transmitted quickly and efficiently. Additionally, SMS is designed to deliver messages even when mobile data services are unavailable, making it an essential mode of communication in areas with limited connectivity.

Another significant characteristic of BT SMS is its wide compatibility. It can be used across various mobile devices, regardless of the operating system. This universality is further enhanced by the ability to communicate with different network providers, allowing users to send messages to anyone, anywhere, as long as they have a mobile phone.

BT SMS supports various multimedia messaging capabilities, such as sending images, videos, and emoji through MMS (Multimedia Messaging Service). This enriches the text communication experience, allowing users to convey emotions and visual information that plain text may not adequately express.

Security features are also integral to BT SMS. Messages are often encrypted during transmission, protecting users' privacy and ensuring that their conversations remain confidential. Additionally, users have the option to enable message delivery reports, which provide confirmation when a message is successfully delivered.

The technology behind BT SMS is based on a store-and-forward mechanism. When a message is sent, it is first stored in the network's SMS Center until it can be delivered to the recipient's device. This allows for smooth delivery even if the recipient's phone is switched off or out of coverage at the time the message is sent.

In conclusion, BT SMS remains an essential communication tool with its reliability, compatibility, multimedia capabilities, security features, and robust technology. Whether for personal interactions or professional engagements, BT SMS continues to evolve, catering to the needs of users in a fast-paced, digital world. Its simplicity and effectiveness ensure that it remains relevant in an era dominated by various messaging applications.
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