Making Connections Phone Calls and Voicemail 63
TTY Mode
ATTY(teletypewriter,alsoknownasaTDDorTextTelephone)isatelecommunicationsdevicethat
allowspeoplewhoaredeaf,hardofhearing,orwhohavespeechorlanguagedisabilities,to
communicatebytelephone.
YourphoneiscompatiblewithselectTTYdevices.PleasecheckwiththemanufacturerofyourTTY
devicetoensurethatitsupportsdigitalwirelesstransmission.YourphoneandTTYdevicewill
connectusingaspecialcablethatplugsintoyourphone’sheadsetjack.Ifthiscablewasnot
providedwithyourTTYdevice,contactyourTTYdevicemanufacturertopurchasetheconnector
cable.
ToturnTTYModeonoroff:
1.
Tap >Phone >Dialtab.
2.
Tap >Call settings>More>TTY mode.
3. TapTTY Full,TTY HCO,orTTY VCOtoturnTTYmodeon.
–or–
TapTTY OfftoturnTTYmodeoff.
Yourphone’sTTYmodeisset.
Note:Whenenabled,TTYmodemayimpairtheaudioqualityofnon-TTYdevicesconnectedtothe
headsetjack.
Warning: 9-1-1 Emergency Calling –ItisrecommendedthatTTYusersmakeemergencycalls
byothermeans,includingTelecommunicationsRelayServices(TRS),analogcellular,andlandline
communications.WirelessTTYcallsto9-1-1maybecorruptedwhenreceivedbypublicsafety
answeringpoints(PSAPs),renderingsomecommunicationsunintelligible.Theproblem
encounteredappearsrelatedtoTTYequipmentorsoftwareusedbyPSAPs.Thismatterhasbeen
broughttotheattentionoftheFCC,andthewirelessindustryandthePSAPcommunityare
currentlyworkingtoresolvethis.