Sony Ericsson P910 Support for TTY, Support for ALS, To select a line for outgoing calls, To use the TTY device together with the P900

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Support for TTY

Teletype (TTY) accessory, text phone, is an aid for people with speech impairments.

To use the TTY device together with the P900

1.Connect the TTY device to the accessories connector at the base of the P900.

2.In Phone, go to Edit > Preferences > TTY Accessory and select

the check box to set the P900 into TTY mode.

Refer to the TTY device user manual to find out how to use the device. It may be necessary to use an adapter between the TTY device and the P900.

You can still make normal calls with the P900 in TTY mode but other accessories such as handsfree will not work properly.

Do not open the Flip during a TTY call. It will impair the quality of the connection.

Note Support for voice carry over (VCO) and hearing carry over (HCO) is handled through the TTY device and not through the phone.

Support for ALS

Alternate line service (ALS) allows you to have more than one line, and more than one phone number, to one SIM subscription. If you are not subscribed to ALS, these dialogues and settings are hidden.

Using ALS, you can select which line to use for outgoing calls. You can use the first line for any function, while the second line can be used for speech only.

Incoming calls can be received at both lines at any time. The name of the line is shown and the ring signal defined for the line is used.

To select a line for outgoing calls

The preset line is shown by the icon in the status bar. If you want to use the other line:

•With the Flip closed, press and select Switch to line 1 or Switch to line 2 depending on the previously preset line.

• With the Flip open, tap 2 and select Switch to line 1 or Switch to line 2 depending on the previously preset line.

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