![background image](http://html.mh-extra.com/html/bluebird/sf550/sf550_user-manual_2777307040.webp)
6 Applications
34
–
TTY VCO
: Enable VCO (Voice Carry over). VCO feature is designed for the people who can speak,
but have difficulty hearing on the phone. You can use your voice to speak and read the other person’s
response in a text typed by the operator.
• Use a TSB-121 cable to connect the TTY device to your phone. If this cable is not provided with
your TTY device, contact your TTY device manufacturer.
• Use the ear pieces and headsets with caution when increasing the volume while using the HCO
feature.
• Teletypewriter or text telephone (TTY) mode is a telecommunications service that allows people
with hearing problems, or speech or language disabilities, to send and receive text information
over a telephone connection.
•
DTMF tones
: Tap to set the length of dual tone multi frequency (DTMF) tones. You can choose it to be
normal (default) or long tones.
•
X-Divert
: Tap to specify the CFNRc (Call Forwarding When Not Reachable) settings. Enter the Sub1 and
Sub2 numbers and enable or disable the X-Divert setting.
6.4 Contacts
Use the Contacts app to add, view, and edit your contacts. The app has two tabs to view your contacts:
FAVORITES
,
ALL CONTACTS
.
On the Home screen, tap
>
, or you can add widgets for your most frequently used contacts to the
Home screen.
6.4.1 Creating Contacts
You can add contacts and synchronize them with your accounts that support syncing contacts.
1
On the Home screen, tap
>
.
All your contacts are listed in the
ALL CONTACTS
tab.
2
Tap
at the bottom right of the screen.
3
Add information and photo to the contact.
4
When you are finished, tap
on the top left of the screen.
6.4.2 Editing Contacts
To edit contact details
1
On the Home screen, tap
>
.
All your contacts are listed in the
ALL CONTACTS
tab.
2
Tap the name of a contact to view their details. Tap
.
3
When you are finished, tap
on the top left of the screen.