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Note: Actual billed usage can be higher than the estimated data usage displayed in the usage meter.

Helpful Tips

Home Answering Machines

If you choose to use your home answering machine instead of the voicemail provided by your MF279T,

you will need to set your answering machine to pick up calls before network voicemail, which is fewer

than four (4) rings. If you have a standalone answering machine, you can connect it to the "Phone 2" port

on the back of your MF279T.

Adjusting Volume

Use your home phone's volume adjustment if available. Alternatively, the volume of the MF279T can be

adjusted. Four volume levels are available (level 1 to level 4) with the default setting at level 4. While on a

call, press ** to decrease volume or press ## to increase volume. Each time ** or ## is pressed, the

volume level is decreased or increased one volume level. To exit Volume Setting Mode, press any other

key or wait five (5) seconds.

Powering On/Off

The ON/OFF button is used to turn your MF279T on or off. When powered off, the MF279T will no longer

send or receive calls, but it will continue to charge the back-up battery if still connected to the wall outlet.

To turn on your MF279T, slide the ON/OFF button to the ON position until the power light stays solid

green, if connected to a power supply (it will blink green if on back-up battery). To turn off your MF279T,

slide the ON/OFF button to the OFF position until all the lights turn off.

TTY Support

TTY (Text Telephony) and TDD (Telecommunications Device for the Deaf) are supported by the MF279T.

In order to use the TTY network, you must have a TTY-compatible phone and be in TTY mode. Note that

most digital wireless devices are TTY-compatible.

Dial *983*889*n# to set the TTY mode.



n = 0: TTY off mode. The standard voice speaking mode and listening mode. This is the default

setting.



n = 1: TTY full mode. Transmit and receive the TTY characters.



n = 2: VCO mode. Receive TTY characters but transmit by speaking into the speaker.



n = 3: HCO mode. Transmit TTY characters but receive by listening to the receiver.

Questions and Answers:

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Zte MF279T Specifications

General