Motorola i870 manual Making TTY Calls, Turning On the TTY Feature, Choosing a Mode

To use these services, you must install the iDEN Wireless Data Services software (available separately). For more information on setting up your computer and your i870 phone for packet and circuit data calls, refer to the Wireless Data Services User’s Guide or contact SouthernLINC Wireless.

Making TTY Calls

To use your phone to make phone calls using a teletypewriter (TTY) device:

1Connect one end of a 2.5mm cable into the audio jack on your phone. Connect the other end of the cable to your TTY device.

2Make sure that your phone’s TTY feature is on and select the TTY mode you want to use.

3Use your phone to enter phone numbers and make calls.

When you make a TTY call, these icons appear on the phone’s display:

NPhone call is active.

OPhone call is on hold.

Making TTY Calls

TTY device features such as Turbo-Code, High-Speed, and Interruption are not supported by your phone. These features must be turned off or disabled to use your TTY device with your phone.

Turning On the TTY Feature

Your phone’s TTY feature must be on if you want to make TTY calls, set the TTY mode, or change the TTY baud rate. To make sure the TTY feature is on:

From the main menu, select Settings > Phone

Calls > TTY > Use TTY. This field must say On.

Choosing a Mode

Your phone supports these TTY modes:

•TTY — You type and read text on your TTY device.

•VCO (Voice-Carry-Over) — You speak into your phone and read text replies on your TTY device.

•HCO (Hearing-Carry-Over) — You type text on your TTY device and listen to voice replies on your phone speaker.

To change mode while not in a call:

1From the main menu, select Settings > Phone Calls > TTY > Type.

2Select the TTY mode you want.

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